Some abstractions

22 files changed, 1003 insertions, 189 deletions

diff --git a/lib/endpoints.ml b/lib/endpoints.ml
index 12563b0..c23ae88 100644
--- a/lib/endpoints.ml
+++ b/lib/endpoints.ml
@@ -59,4 +59,5 @@ let guild_audit_logs = sprintf "/guilds/%d/audit-logs"
 let cdn_embed_avatar = sprintf "/embed/avatars/%s.png"
 let cdn_emoji = sprintf "/emojis/%s.%s"
 let cdn_icon = sprintf "/icons/%d/%s.%s"
-let cdn_avatar = sprintf "/splashes/%d/%s.%s"
\ No newline at end of file
+let cdn_avatar = sprintf "/avatars/%d/%s.%s"
+let cdn_default_avatar = sprintf "/embed/avatars/%d"
\ No newline at end of file
diff --git a/lib/http.ml b/lib/http.ml
index 810bdc3..abc2b28 100644
--- a/lib/http.ml
+++ b/lib/http.ml
@@ -1,4 +1,5 @@
 module Make(T : S.Token) = struct
+    open Core
     open Async
     open Cohttp
     include T
@@ -187,8 +188,8 @@ module Make(T : S.Token) = struct
     let edit_member guild_id user_id body =
         Base.request ~body `PATCH (Endpoints.guild_member guild_id user_id)
 
-    let remove_member guild_id user_id =
-        Base.request `DELETE (Endpoints.guild_member guild_id user_id)
+    let remove_member guild_id user_id body =
+        Base.request ~body `DELETE (Endpoints.guild_member guild_id user_id)
 
     let change_nickname guild_id body =
         Base.request ~body `PATCH (Endpoints.guild_me_nick guild_id)
@@ -208,8 +209,8 @@ module Make(T : S.Token) = struct
     let guild_ban_add guild_id user_id body =
         Base.request ~body `PUT (Endpoints.guild_ban guild_id user_id)
 
-    let guild_ban_remove guild_id user_id =
-        Base.request `DELETE (Endpoints.guild_ban guild_id user_id)
+    let guild_ban_remove guild_id user_id body =
+        Base.request ~body `DELETE (Endpoints.guild_ban guild_id user_id)
 
     let get_roles guild_id =
         Base.request `GET (Endpoints.guild_roles guild_id)
@@ -226,11 +227,11 @@ module Make(T : S.Token) = struct
     let guild_role_remove guild_id role_id =
         Base.request `DELETE (Endpoints.guild_role guild_id role_id)
 
-    let guild_prune_count guild_id =
-        Base.request `GET (Endpoints.guild_prune guild_id)
+    let guild_prune_count guild_id days =
+        Base.request `GET ((Endpoints.guild_prune guild_id) ^ "?days=" ^ Int.to_string days)
 
-    let guild_prune_start guild_id body =
-        Base.request ~body `POST (Endpoints.guild_prune guild_id)
+    let guild_prune_start guild_id days =
+        Base.request `POST ((Endpoints.guild_prune guild_id) ^ "?days=" ^ Int.to_string days)
 
     let get_guild_voice_regions guild_id =
         Base.request `GET (Endpoints.guild_voice_regions guild_id)
diff --git a/lib/models/gen/guild.atd b/lib/models/gen/guild.atd
index c622eea..3bb40d9 100644
--- a/lib/models/gen/guild.atd
+++ b/lib/models/gen/guild.atd
@@ -31,6 +31,6 @@ type t = {
     ?large: bool option;
     ?unavailable: bool option;
     ?member_count: int option;
-    ?members: member list option;
-    ?channels: channel list option;
+    ~members: member list;
+    ~channels: channel list;
 }
\ No newline at end of file
diff --git a/lib/models/gen/guild_j.ml b/lib/models/gen/guild_j.ml
index 9f7b069..210dee8 100644
--- a/lib/models/gen/guild_j.ml
+++ b/lib/models/gen/guild_j.ml
@@ -38,8 +38,8 @@ type t = Guild_t.t = {
   large: bool option;
   unavailable: bool option;
   member_count: int option;
-  members: member list option;
-  channels: channel list option
+  members: member list;
+  channels: channel list
 }
 
 let write_user = (
@@ -406,133 +406,19 @@ let read__2 = (
 )
 let _2_of_string s =
   read__2 (Yojson.Safe.init_lexer ()) (Lexing.from_string s)
-let write__11 = (
+let write__10 = (
   Atdgen_runtime.Oj_run.write_list (
     write_channel
   )
 )
-let string_of__11 ?(len = 1024) x =
-  let ob = Bi_outbuf.create len in
-  write__11 ob x;
-  Bi_outbuf.contents ob
-let read__11 = (
-  Atdgen_runtime.Oj_run.read_list (
-    read_channel
-  )
-)
-let _11_of_string s =
-  read__11 (Yojson.Safe.init_lexer ()) (Lexing.from_string s)
-let write__12 = (
-  Atdgen_runtime.Oj_run.write_option (
-    write__11
-  )
-)
-let string_of__12 ?(len = 1024) x =
-  let ob = Bi_outbuf.create len in
-  write__12 ob x;
-  Bi_outbuf.contents ob
-let read__12 = (
-  fun p lb ->
-    Yojson.Safe.read_space p lb;
-    match Yojson.Safe.start_any_variant p lb with
-      | `Edgy_bracket -> (
-          match Yojson.Safe.read_ident p lb with
-            | "None" ->
-              Yojson.Safe.read_space p lb;
-              Yojson.Safe.read_gt p lb;
-              (None : _ option)
-            | "Some" ->
-              Atdgen_runtime.Oj_run.read_until_field_value p lb;
-              let x = (
-                  read__11
-                ) p lb
-              in
-              Yojson.Safe.read_space p lb;
-              Yojson.Safe.read_gt p lb;
-              (Some x : _ option)
-            | x ->
-              Atdgen_runtime.Oj_run.invalid_variant_tag p x
-        )
-      | `Double_quote -> (
-          match Yojson.Safe.finish_string p lb with
-            | "None" ->
-              (None : _ option)
-            | x ->
-              Atdgen_runtime.Oj_run.invalid_variant_tag p x
-        )
-      | `Square_bracket -> (
-          match Atdgen_runtime.Oj_run.read_string p lb with
-            | "Some" ->
-              Yojson.Safe.read_space p lb;
-              Yojson.Safe.read_comma p lb;
-              Yojson.Safe.read_space p lb;
-              let x = (
-                  read__11
-                ) p lb
-              in
-              Yojson.Safe.read_space p lb;
-              Yojson.Safe.read_rbr p lb;
-              (Some x : _ option)
-            | x ->
-              Atdgen_runtime.Oj_run.invalid_variant_tag p x
-        )
-)
-let _12_of_string s =
-  read__12 (Yojson.Safe.init_lexer ()) (Lexing.from_string s)
-let write__10 = (
-  Atdgen_runtime.Oj_run.write_option (
-    write__9
-  )
-)
 let string_of__10 ?(len = 1024) x =
   let ob = Bi_outbuf.create len in
   write__10 ob x;
   Bi_outbuf.contents ob
 let read__10 = (
-  fun p lb ->
-    Yojson.Safe.read_space p lb;
-    match Yojson.Safe.start_any_variant p lb with
-      | `Edgy_bracket -> (
-          match Yojson.Safe.read_ident p lb with
-            | "None" ->
-              Yojson.Safe.read_space p lb;
-              Yojson.Safe.read_gt p lb;
-              (None : _ option)
-            | "Some" ->
-              Atdgen_runtime.Oj_run.read_until_field_value p lb;
-              let x = (
-                  read__9
-                ) p lb
-              in
-              Yojson.Safe.read_space p lb;
-              Yojson.Safe.read_gt p lb;
-              (Some x : _ option)
-            | x ->
-              Atdgen_runtime.Oj_run.invalid_variant_tag p x
-        )
-      | `Double_quote -> (
-          match Yojson.Safe.finish_string p lb with
-            | "None" ->
-              (None : _ option)
-            | x ->
-              Atdgen_runtime.Oj_run.invalid_variant_tag p x
-        )
-      | `Square_bracket -> (
-          match Atdgen_runtime.Oj_run.read_string p lb with
-            | "Some" ->
-              Yojson.Safe.read_space p lb;
-              Yojson.Safe.read_comma p lb;
-              Yojson.Safe.read_space p lb;
-              let x = (
-                  read__9
-                ) p lb
-              in
-              Yojson.Safe.read_space p lb;
-              Yojson.Safe.read_rbr p lb;
-              (Some x : _ option)
-            | x ->
-              Atdgen_runtime.Oj_run.invalid_variant_tag p x
-        )
+  Atdgen_runtime.Oj_run.read_list (
+    read_channel
+  )
 )
 let _10_of_string s =
   read__10 (Yojson.Safe.init_lexer ()) (Lexing.from_string s)
@@ -837,7 +723,7 @@ let write_t : _ -> t -> _ = (
       )
         ob x;
     );
-    (match x.members with None -> () | Some x ->
+    if x.members <> [] then (
       if !is_first then
         is_first := false
       else
@@ -846,18 +732,18 @@ let write_t : _ -> t -> _ = (
       (
         write__9
       )
-        ob x;
+        ob x.members;
     );
-    (match x.channels with None -> () | Some x ->
+    if x.channels <> [] then (
       if !is_first then
         is_first := false
       else
         Bi_outbuf.add_char ob ',';
       Bi_outbuf.add_string ob "\"channels\":";
       (
-        write__11
+        write__10
       )
-        ob x;
+        ob x.channels;
     );
     Bi_outbuf.add_char ob '}';
 )
@@ -893,8 +779,8 @@ let read_t = (
     let field_large = ref (None) in
     let field_unavailable = ref (None) in
     let field_member_count = ref (None) in
-    let field_members = ref (None) in
-    let field_channels = ref (None) in
+    let field_members = ref ([]) in
+    let field_channels = ref ([]) in
     let bits0 = ref 0 in
     try
       Yojson.Safe.read_space p lb;
@@ -1381,21 +1267,17 @@ let read_t = (
           | 24 ->
             if not (Yojson.Safe.read_null_if_possible p lb) then (
               field_members := (
-                Some (
-                  (
-                    read__9
-                  ) p lb
-                )
+                (
+                  read__9
+                ) p lb
               );
             )
           | 25 ->
             if not (Yojson.Safe.read_null_if_possible p lb) then (
               field_channels := (
-                Some (
-                  (
-                    read__11
-                  ) p lb
-                )
+                (
+                  read__10
+                ) p lb
               );
             )
           | _ -> (
@@ -1887,21 +1769,17 @@ let read_t = (
             | 24 ->
               if not (Yojson.Safe.read_null_if_possible p lb) then (
                 field_members := (
-                  Some (
-                    (
-                      read__9
-                    ) p lb
-                  )
+                  (
+                    read__9
+                  ) p lb
                 );
               )
             | 25 ->
               if not (Yojson.Safe.read_null_if_possible p lb) then (
                 field_channels := (
-                  Some (
-                    (
-                      read__11
-                    ) p lb
-                  )
+                  (
+                    read__10
+                  ) p lb
                 );
               )
             | _ -> (
diff --git a/lib/models/gen/guild_j.mli b/lib/models/gen/guild_j.mli
index d430b2a..7eca304 100644
--- a/lib/models/gen/guild_j.mli
+++ b/lib/models/gen/guild_j.mli
@@ -38,8 +38,8 @@ type t = Guild_t.t = {
   large: bool option;
   unavailable: bool option;
   member_count: int option;
-  members: member list option;
-  channels: channel list option
+  members: member list;
+  channels: channel list
 }
 
 val write_user :
diff --git a/lib/models/gen/guild_t.ml b/lib/models/gen/guild_t.ml
index 9ffe83f..fe2a59c 100644
--- a/lib/models/gen/guild_t.ml
+++ b/lib/models/gen/guild_t.ml
@@ -38,6 +38,6 @@ type t = {
   large: bool option;
   unavailable: bool option;
   member_count: int option;
-  members: member list option;
-  channels: channel list option
+  members: member list;
+  channels: channel list
 }
diff --git a/lib/models/gen/guild_t.mli b/lib/models/gen/guild_t.mli
index 9ffe83f..fe2a59c 100644
--- a/lib/models/gen/guild_t.mli
+++ b/lib/models/gen/guild_t.mli
@@ -38,6 +38,6 @@ type t = {
   large: bool option;
   unavailable: bool option;
   member_count: int option;
-  members: member list option;
-  channels: channel list option
+  members: member list;
+  channels: channel list
 }
diff --git a/lib/models/gen/role.atd b/lib/models/gen/role.atd
index a6bdcba..8e3f6aa 100644
--- a/lib/models/gen/role.atd
+++ b/lib/models/gen/role.atd
@@ -1,6 +1,6 @@
 type snowflake <ocaml from="Snowflake" t="t"> = abstract
 
-type t = {
+type role = {
     id: snowflake;
     name: string;
     colour <json name="color">: int;
@@ -9,4 +9,14 @@ type t = {
     permissions: int;
     managed: bool;
     mentionable: bool;
+}
+
+type role_update = {
+    role: role;
+    id: snowflake;
+}
+
+type t = {
+    inherit role;
+    guild_id: snowflake;
 }
\ No newline at end of file
diff --git a/lib/models/gen/role_j.ml b/lib/models/gen/role_j.ml
index a15b6cf..4761c70 100644
--- a/lib/models/gen/role_j.ml
+++ b/lib/models/gen/role_j.ml
@@ -11,9 +11,23 @@ type t = Role_t.t = {
   position: int;
   permissions: int;
   managed: bool;
+  mentionable: bool;
+  guild_id: snowflake
+}
+
+type role = Role_t.role = {
+  id: snowflake;
+  name: string;
+  colour: int;
+  hoist: bool;
+  position: int;
+  permissions: int;
+  managed: bool;
   mentionable: bool
 }
 
+type role_update = Role_t.role_update = { role: role; id: snowflake }
+
 let write_snowflake = (
   Snowflake_j.write_t
 )
@@ -102,6 +116,15 @@ let write_t : _ -> t -> _ = (
       Yojson.Safe.write_bool
     )
       ob x.mentionable;
+    if !is_first then
+      is_first := false
+    else
+      Bi_outbuf.add_char ob ',';
+    Bi_outbuf.add_string ob "\"guild_id\":";
+    (
+      write_snowflake
+    )
+      ob x.guild_id;
     Bi_outbuf.add_char ob '}';
 )
 let string_of_t ?(len = 1024) x =
@@ -120,6 +143,471 @@ let read_t = (
     let field_permissions = ref (Obj.magic (Sys.opaque_identity 0.0)) in
     let field_managed = ref (Obj.magic (Sys.opaque_identity 0.0)) in
     let field_mentionable = ref (Obj.magic (Sys.opaque_identity 0.0)) in
+    let field_guild_id = ref (Obj.magic (Sys.opaque_identity 0.0)) in
+    let bits0 = ref 0 in
+    try
+      Yojson.Safe.read_space p lb;
+      Yojson.Safe.read_object_end lb;
+      Yojson.Safe.read_space p lb;
+      let f =
+        fun s pos len ->
+          if pos < 0 || len < 0 || pos + len > String.length s then
+            invalid_arg "out-of-bounds substring position or length";
+          match len with
+            | 2 -> (
+                if String.unsafe_get s pos = 'i' && String.unsafe_get s (pos+1) = 'd' then (
+                  0
+                )
+                else (
+                  -1
+                )
+              )
+            | 4 -> (
+                if String.unsafe_get s pos = 'n' && String.unsafe_get s (pos+1) = 'a' && String.unsafe_get s (pos+2) = 'm' && String.unsafe_get s (pos+3) = 'e' then (
+                  1
+                )
+                else (
+                  -1
+                )
+              )
+            | 5 -> (
+                match String.unsafe_get s pos with
+                  | 'c' -> (
+                      if String.unsafe_get s (pos+1) = 'o' && String.unsafe_get s (pos+2) = 'l' && String.unsafe_get s (pos+3) = 'o' && String.unsafe_get s (pos+4) = 'r' then (
+                        2
+                      )
+                      else (
+                        -1
+                      )
+                    )
+                  | 'h' -> (
+                      if String.unsafe_get s (pos+1) = 'o' && String.unsafe_get s (pos+2) = 'i' && String.unsafe_get s (pos+3) = 's' && String.unsafe_get s (pos+4) = 't' then (
+                        3
+                      )
+                      else (
+                        -1
+                      )
+                    )
+                  | _ -> (
+                      -1
+                    )
+              )
+            | 7 -> (
+                if String.unsafe_get s pos = 'm' && String.unsafe_get s (pos+1) = 'a' && String.unsafe_get s (pos+2) = 'n' && String.unsafe_get s (pos+3) = 'a' && String.unsafe_get s (pos+4) = 'g' && String.unsafe_get s (pos+5) = 'e' && String.unsafe_get s (pos+6) = 'd' then (
+                  6
+                )
+                else (
+                  -1
+                )
+              )
+            | 8 -> (
+                match String.unsafe_get s pos with
+                  | 'g' -> (
+                      if String.unsafe_get s (pos+1) = 'u' && String.unsafe_get s (pos+2) = 'i' && String.unsafe_get s (pos+3) = 'l' && String.unsafe_get s (pos+4) = 'd' && String.unsafe_get s (pos+5) = '_' && String.unsafe_get s (pos+6) = 'i' && String.unsafe_get s (pos+7) = 'd' then (
+                        8
+                      )
+                      else (
+                        -1
+                      )
+                    )
+                  | 'p' -> (
+                      if String.unsafe_get s (pos+1) = 'o' && String.unsafe_get s (pos+2) = 's' && String.unsafe_get s (pos+3) = 'i' && String.unsafe_get s (pos+4) = 't' && String.unsafe_get s (pos+5) = 'i' && String.unsafe_get s (pos+6) = 'o' && String.unsafe_get s (pos+7) = 'n' then (
+                        4
+                      )
+                      else (
+                        -1
+                      )
+                    )
+                  | _ -> (
+                      -1
+                    )
+              )
+            | 11 -> (
+                match String.unsafe_get s pos with
+                  | 'm' -> (
+                      if String.unsafe_get s (pos+1) = 'e' && String.unsafe_get s (pos+2) = 'n' && String.unsafe_get s (pos+3) = 't' && String.unsafe_get s (pos+4) = 'i' && String.unsafe_get s (pos+5) = 'o' && String.unsafe_get s (pos+6) = 'n' && String.unsafe_get s (pos+7) = 'a' && String.unsafe_get s (pos+8) = 'b' && String.unsafe_get s (pos+9) = 'l' && String.unsafe_get s (pos+10) = 'e' then (
+                        7
+                      )
+                      else (
+                        -1
+                      )
+                    )
+                  | 'p' -> (
+                      if String.unsafe_get s (pos+1) = 'e' && String.unsafe_get s (pos+2) = 'r' && String.unsafe_get s (pos+3) = 'm' && String.unsafe_get s (pos+4) = 'i' && String.unsafe_get s (pos+5) = 's' && String.unsafe_get s (pos+6) = 's' && String.unsafe_get s (pos+7) = 'i' && String.unsafe_get s (pos+8) = 'o' && String.unsafe_get s (pos+9) = 'n' && String.unsafe_get s (pos+10) = 's' then (
+                        5
+                      )
+                      else (
+                        -1
+                      )
+                    )
+                  | _ -> (
+                      -1
+                    )
+              )
+            | _ -> (
+                -1
+              )
+      in
+      let i = Yojson.Safe.map_ident p f lb in
+      Atdgen_runtime.Oj_run.read_until_field_value p lb;
+      (
+        match i with
+          | 0 ->
+            field_id := (
+              (
+                read_snowflake
+              ) p lb
+            );
+            bits0 := !bits0 lor 0x1;
+          | 1 ->
+            field_name := (
+              (
+                Atdgen_runtime.Oj_run.read_string
+              ) p lb
+            );
+            bits0 := !bits0 lor 0x2;
+          | 2 ->
+            field_colour := (
+              (
+                Atdgen_runtime.Oj_run.read_int
+              ) p lb
+            );
+            bits0 := !bits0 lor 0x4;
+          | 3 ->
+            field_hoist := (
+              (
+                Atdgen_runtime.Oj_run.read_bool
+              ) p lb
+            );
+            bits0 := !bits0 lor 0x8;
+          | 4 ->
+            field_position := (
+              (
+                Atdgen_runtime.Oj_run.read_int
+              ) p lb
+            );
+            bits0 := !bits0 lor 0x10;
+          | 5 ->
+            field_permissions := (
+              (
+                Atdgen_runtime.Oj_run.read_int
+              ) p lb
+            );
+            bits0 := !bits0 lor 0x20;
+          | 6 ->
+            field_managed := (
+              (
+                Atdgen_runtime.Oj_run.read_bool
+              ) p lb
+            );
+            bits0 := !bits0 lor 0x40;
+          | 7 ->
+            field_mentionable := (
+              (
+                Atdgen_runtime.Oj_run.read_bool
+              ) p lb
+            );
+            bits0 := !bits0 lor 0x80;
+          | 8 ->
+            field_guild_id := (
+              (
+                read_snowflake
+              ) p lb
+            );
+            bits0 := !bits0 lor 0x100;
+          | _ -> (
+              Yojson.Safe.skip_json p lb
+            )
+      );
+      while true do
+        Yojson.Safe.read_space p lb;
+        Yojson.Safe.read_object_sep p lb;
+        Yojson.Safe.read_space p lb;
+        let f =
+          fun s pos len ->
+            if pos < 0 || len < 0 || pos + len > String.length s then
+              invalid_arg "out-of-bounds substring position or length";
+            match len with
+              | 2 -> (
+                  if String.unsafe_get s pos = 'i' && String.unsafe_get s (pos+1) = 'd' then (
+                    0
+                  )
+                  else (
+                    -1
+                  )
+                )
+              | 4 -> (
+                  if String.unsafe_get s pos = 'n' && String.unsafe_get s (pos+1) = 'a' && String.unsafe_get s (pos+2) = 'm' && String.unsafe_get s (pos+3) = 'e' then (
+                    1
+                  )
+                  else (
+                    -1
+                  )
+                )
+              | 5 -> (
+                  match String.unsafe_get s pos with
+                    | 'c' -> (
+                        if String.unsafe_get s (pos+1) = 'o' && String.unsafe_get s (pos+2) = 'l' && String.unsafe_get s (pos+3) = 'o' && String.unsafe_get s (pos+4) = 'r' then (
+                          2
+                        )
+                        else (
+                          -1
+                        )
+                      )
+                    | 'h' -> (
+                        if String.unsafe_get s (pos+1) = 'o' && String.unsafe_get s (pos+2) = 'i' && String.unsafe_get s (pos+3) = 's' && String.unsafe_get s (pos+4) = 't' then (
+                          3
+                        )
+                        else (
+                          -1
+                        )
+                      )
+                    | _ -> (
+                        -1
+                      )
+                )
+              | 7 -> (
+                  if String.unsafe_get s pos = 'm' && String.unsafe_get s (pos+1) = 'a' && String.unsafe_get s (pos+2) = 'n' && String.unsafe_get s (pos+3) = 'a' && String.unsafe_get s (pos+4) = 'g' && String.unsafe_get s (pos+5) = 'e' && String.unsafe_get s (pos+6) = 'd' then (
+                    6
+                  )
+                  else (
+                    -1
+                  )
+                )
+              | 8 -> (
+                  match String.unsafe_get s pos with
+                    | 'g' -> (
+                        if String.unsafe_get s (pos+1) = 'u' && String.unsafe_get s (pos+2) = 'i' && String.unsafe_get s (pos+3) = 'l' && String.unsafe_get s (pos+4) = 'd' && String.unsafe_get s (pos+5) = '_' && String.unsafe_get s (pos+6) = 'i' && String.unsafe_get s (pos+7) = 'd' then (
+                          8
+                        )
+                        else (
+                          -1
+                        )
+                      )
+                    | 'p' -> (
+                        if String.unsafe_get s (pos+1) = 'o' && String.unsafe_get s (pos+2) = 's' && String.unsafe_get s (pos+3) = 'i' && String.unsafe_get s (pos+4) = 't' && String.unsafe_get s (pos+5) = 'i' && String.unsafe_get s (pos+6) = 'o' && String.unsafe_get s (pos+7) = 'n' then (
+                          4
+                        )
+                        else (
+                          -1
+                        )
+                      )
+                    | _ -> (
+                        -1
+                      )
+                )
+              | 11 -> (
+                  match String.unsafe_get s pos with
+                    | 'm' -> (
+                        if String.unsafe_get s (pos+1) = 'e' && String.unsafe_get s (pos+2) = 'n' && String.unsafe_get s (pos+3) = 't' && String.unsafe_get s (pos+4) = 'i' && String.unsafe_get s (pos+5) = 'o' && String.unsafe_get s (pos+6) = 'n' && String.unsafe_get s (pos+7) = 'a' && String.unsafe_get s (pos+8) = 'b' && String.unsafe_get s (pos+9) = 'l' && String.unsafe_get s (pos+10) = 'e' then (
+                          7
+                        )
+                        else (
+                          -1
+                        )
+                      )
+                    | 'p' -> (
+                        if String.unsafe_get s (pos+1) = 'e' && String.unsafe_get s (pos+2) = 'r' && String.unsafe_get s (pos+3) = 'm' && String.unsafe_get s (pos+4) = 'i' && String.unsafe_get s (pos+5) = 's' && String.unsafe_get s (pos+6) = 's' && String.unsafe_get s (pos+7) = 'i' && String.unsafe_get s (pos+8) = 'o' && String.unsafe_get s (pos+9) = 'n' && String.unsafe_get s (pos+10) = 's' then (
+                          5
+                        )
+                        else (
+                          -1
+                        )
+                      )
+                    | _ -> (
+                        -1
+                      )
+                )
+              | _ -> (
+                  -1
+                )
+        in
+        let i = Yojson.Safe.map_ident p f lb in
+        Atdgen_runtime.Oj_run.read_until_field_value p lb;
+        (
+          match i with
+            | 0 ->
+              field_id := (
+                (
+                  read_snowflake
+                ) p lb
+              );
+              bits0 := !bits0 lor 0x1;
+            | 1 ->
+              field_name := (
+                (
+                  Atdgen_runtime.Oj_run.read_string
+                ) p lb
+              );
+              bits0 := !bits0 lor 0x2;
+            | 2 ->
+              field_colour := (
+                (
+                  Atdgen_runtime.Oj_run.read_int
+                ) p lb
+              );
+              bits0 := !bits0 lor 0x4;
+            | 3 ->
+              field_hoist := (
+                (
+                  Atdgen_runtime.Oj_run.read_bool
+                ) p lb
+              );
+              bits0 := !bits0 lor 0x8;
+            | 4 ->
+              field_position := (
+                (
+                  Atdgen_runtime.Oj_run.read_int
+                ) p lb
+              );
+              bits0 := !bits0 lor 0x10;
+            | 5 ->
+              field_permissions := (
+                (
+                  Atdgen_runtime.Oj_run.read_int
+                ) p lb
+              );
+              bits0 := !bits0 lor 0x20;
+            | 6 ->
+              field_managed := (
+                (
+                  Atdgen_runtime.Oj_run.read_bool
+                ) p lb
+              );
+              bits0 := !bits0 lor 0x40;
+            | 7 ->
+              field_mentionable := (
+                (
+                  Atdgen_runtime.Oj_run.read_bool
+                ) p lb
+              );
+              bits0 := !bits0 lor 0x80;
+            | 8 ->
+              field_guild_id := (
+                (
+                  read_snowflake
+                ) p lb
+              );
+              bits0 := !bits0 lor 0x100;
+            | _ -> (
+                Yojson.Safe.skip_json p lb
+              )
+        );
+      done;
+      assert false;
+    with Yojson.End_of_object -> (
+        if !bits0 <> 0x1ff then Atdgen_runtime.Oj_run.missing_fields p [| !bits0 |] [| "id"; "name"; "colour"; "hoist"; "position"; "permissions"; "managed"; "mentionable"; "guild_id" |];
+        (
+          {
+            id = !field_id;
+            name = !field_name;
+            colour = !field_colour;
+            hoist = !field_hoist;
+            position = !field_position;
+            permissions = !field_permissions;
+            managed = !field_managed;
+            mentionable = !field_mentionable;
+            guild_id = !field_guild_id;
+          }
+         : t)
+      )
+)
+let t_of_string s =
+  read_t (Yojson.Safe.init_lexer ()) (Lexing.from_string s)
+let write_role : _ -> role -> _ = (
+  fun ob x ->
+    Bi_outbuf.add_char ob '{';
+    let is_first = ref true in
+    if !is_first then
+      is_first := false
+    else
+      Bi_outbuf.add_char ob ',';
+    Bi_outbuf.add_string ob "\"id\":";
+    (
+      write_snowflake
+    )
+      ob x.id;
+    if !is_first then
+      is_first := false
+    else
+      Bi_outbuf.add_char ob ',';
+    Bi_outbuf.add_string ob "\"name\":";
+    (
+      Yojson.Safe.write_string
+    )
+      ob x.name;
+    if !is_first then
+      is_first := false
+    else
+      Bi_outbuf.add_char ob ',';
+    Bi_outbuf.add_string ob "\"color\":";
+    (
+      Yojson.Safe.write_int
+    )
+      ob x.colour;
+    if !is_first then
+      is_first := false
+    else
+      Bi_outbuf.add_char ob ',';
+    Bi_outbuf.add_string ob "\"hoist\":";
+    (
+      Yojson.Safe.write_bool
+    )
+      ob x.hoist;
+    if !is_first then
+      is_first := false
+    else
+      Bi_outbuf.add_char ob ',';
+    Bi_outbuf.add_string ob "\"position\":";
+    (
+      Yojson.Safe.write_int
+    )
+      ob x.position;
+    if !is_first then
+      is_first := false
+    else
+      Bi_outbuf.add_char ob ',';
+    Bi_outbuf.add_string ob "\"permissions\":";
+    (
+      Yojson.Safe.write_int
+    )
+      ob x.permissions;
+    if !is_first then
+      is_first := false
+    else
+      Bi_outbuf.add_char ob ',';
+    Bi_outbuf.add_string ob "\"managed\":";
+    (
+      Yojson.Safe.write_bool
+    )
+      ob x.managed;
+    if !is_first then
+      is_first := false
+    else
+      Bi_outbuf.add_char ob ',';
+    Bi_outbuf.add_string ob "\"mentionable\":";
+    (
+      Yojson.Safe.write_bool
+    )
+      ob x.mentionable;
+    Bi_outbuf.add_char ob '}';
+)
+let string_of_role ?(len = 1024) x =
+  let ob = Bi_outbuf.create len in
+  write_role ob x;
+  Bi_outbuf.contents ob
+let read_role = (
+  fun p lb ->
+    Yojson.Safe.read_space p lb;
+    Yojson.Safe.read_lcurl p lb;
+    let field_id = ref (Obj.magic (Sys.opaque_identity 0.0)) in
+    let field_name = ref (Obj.magic (Sys.opaque_identity 0.0)) in
+    let field_colour = ref (Obj.magic (Sys.opaque_identity 0.0)) in
+    let field_hoist = ref (Obj.magic (Sys.opaque_identity 0.0)) in
+    let field_position = ref (Obj.magic (Sys.opaque_identity 0.0)) in
+    let field_permissions = ref (Obj.magic (Sys.opaque_identity 0.0)) in
+    let field_managed = ref (Obj.magic (Sys.opaque_identity 0.0)) in
+    let field_mentionable = ref (Obj.magic (Sys.opaque_identity 0.0)) in
     let bits0 = ref 0 in
     try
       Yojson.Safe.read_space p lb;
@@ -442,8 +930,159 @@ let read_t = (
             managed = !field_managed;
             mentionable = !field_mentionable;
           }
-         : t)
+         : role)
       )
 )
-let t_of_string s =
-  read_t (Yojson.Safe.init_lexer ()) (Lexing.from_string s)
+let role_of_string s =
+  read_role (Yojson.Safe.init_lexer ()) (Lexing.from_string s)
+let write_role_update : _ -> role_update -> _ = (
+  fun ob x ->
+    Bi_outbuf.add_char ob '{';
+    let is_first = ref true in
+    if !is_first then
+      is_first := false
+    else
+      Bi_outbuf.add_char ob ',';
+    Bi_outbuf.add_string ob "\"role\":";
+    (
+      write_role
+    )
+      ob x.role;
+    if !is_first then
+      is_first := false
+    else
+      Bi_outbuf.add_char ob ',';
+    Bi_outbuf.add_string ob "\"id\":";
+    (
+      write_snowflake
+    )
+      ob x.id;
+    Bi_outbuf.add_char ob '}';
+)
+let string_of_role_update ?(len = 1024) x =
+  let ob = Bi_outbuf.create len in
+  write_role_update ob x;
+  Bi_outbuf.contents ob
+let read_role_update = (
+  fun p lb ->
+    Yojson.Safe.read_space p lb;
+    Yojson.Safe.read_lcurl p lb;
+    let field_role = ref (Obj.magic (Sys.opaque_identity 0.0)) in
+    let field_id = ref (Obj.magic (Sys.opaque_identity 0.0)) in
+    let bits0 = ref 0 in
+    try
+      Yojson.Safe.read_space p lb;
+      Yojson.Safe.read_object_end lb;
+      Yojson.Safe.read_space p lb;
+      let f =
+        fun s pos len ->
+          if pos < 0 || len < 0 || pos + len > String.length s then
+            invalid_arg "out-of-bounds substring position or length";
+          match len with
+            | 2 -> (
+                if String.unsafe_get s pos = 'i' && String.unsafe_get s (pos+1) = 'd' then (
+                  1
+                )
+                else (
+                  -1
+                )
+              )
+            | 4 -> (
+                if String.unsafe_get s pos = 'r' && String.unsafe_get s (pos+1) = 'o' && String.unsafe_get s (pos+2) = 'l' && String.unsafe_get s (pos+3) = 'e' then (
+                  0
+                )
+                else (
+                  -1
+                )
+              )
+            | _ -> (
+                -1
+              )
+      in
+      let i = Yojson.Safe.map_ident p f lb in
+      Atdgen_runtime.Oj_run.read_until_field_value p lb;
+      (
+        match i with
+          | 0 ->
+            field_role := (
+              (
+                read_role
+              ) p lb
+            );
+            bits0 := !bits0 lor 0x1;
+          | 1 ->
+            field_id := (
+              (
+                read_snowflake
+              ) p lb
+            );
+            bits0 := !bits0 lor 0x2;
+          | _ -> (
+              Yojson.Safe.skip_json p lb
+            )
+      );
+      while true do
+        Yojson.Safe.read_space p lb;
+        Yojson.Safe.read_object_sep p lb;
+        Yojson.Safe.read_space p lb;
+        let f =
+          fun s pos len ->
+            if pos < 0 || len < 0 || pos + len > String.length s then
+              invalid_arg "out-of-bounds substring position or length";
+            match len with
+              | 2 -> (
+                  if String.unsafe_get s pos = 'i' && String.unsafe_get s (pos+1) = 'd' then (
+                    1
+                  )
+                  else (
+                    -1
+                  )
+                )
+              | 4 -> (
+                  if String.unsafe_get s pos = 'r' && String.unsafe_get s (pos+1) = 'o' && String.unsafe_get s (pos+2) = 'l' && String.unsafe_get s (pos+3) = 'e' then (
+                    0
+                  )
+                  else (
+                    -1
+                  )
+                )
+              | _ -> (
+                  -1
+                )
+        in
+        let i = Yojson.Safe.map_ident p f lb in
+        Atdgen_runtime.Oj_run.read_until_field_value p lb;
+        (
+          match i with
+            | 0 ->
+              field_role := (
+                (
+                  read_role
+                ) p lb
+              );
+              bits0 := !bits0 lor 0x1;
+            | 1 ->
+              field_id := (
+                (
+                  read_snowflake
+                ) p lb
+              );
+              bits0 := !bits0 lor 0x2;
+            | _ -> (
+                Yojson.Safe.skip_json p lb
+              )
+        );
+      done;
+      assert false;
+    with Yojson.End_of_object -> (
+        if !bits0 <> 0x3 then Atdgen_runtime.Oj_run.missing_fields p [| !bits0 |] [| "role"; "id" |];
+        (
+          {
+            role = !field_role;
+            id = !field_id;
+          }
+         : role_update)
+      )
+)
+let role_update_of_string s =
+  read_role_update (Yojson.Safe.init_lexer ()) (Lexing.from_string s)
diff --git a/lib/models/gen/role_j.mli b/lib/models/gen/role_j.mli
index b4ea78c..f908204 100644
--- a/lib/models/gen/role_j.mli
+++ b/lib/models/gen/role_j.mli
@@ -11,9 +11,23 @@ type t = Role_t.t = {
   position: int;
   permissions: int;
   managed: bool;
+  mentionable: bool;
+  guild_id: snowflake
+}
+
+type role = Role_t.role = {
+  id: snowflake;
+  name: string;
+  colour: int;
+  hoist: bool;
+  position: int;
+  permissions: int;
+  managed: bool;
   mentionable: bool
 }
 
+type role_update = Role_t.role_update = { role: role; id: snowflake }
+
 val write_snowflake :
   Bi_outbuf.t -> snowflake -> unit
   (** Output a JSON value of type {!snowflake}. *)
@@ -54,3 +68,43 @@ val t_of_string :
   string -> t
   (** Deserialize JSON data of type {!t}. *)
 
+val write_role :
+  Bi_outbuf.t -> role -> unit
+  (** Output a JSON value of type {!role}. *)
+
+val string_of_role :
+  ?len:int -> role -> string
+  (** Serialize a value of type {!role}
+      into a JSON string.
+      @param len specifies the initial length
+                 of the buffer used internally.
+                 Default: 1024. *)
+
+val read_role :
+  Yojson.Safe.lexer_state -> Lexing.lexbuf -> role
+  (** Input JSON data of type {!role}. *)
+
+val role_of_string :
+  string -> role
+  (** Deserialize JSON data of type {!role}. *)
+
+val write_role_update :
+  Bi_outbuf.t -> role_update -> unit
+  (** Output a JSON value of type {!role_update}. *)
+
+val string_of_role_update :
+  ?len:int -> role_update -> string
+  (** Serialize a value of type {!role_update}
+      into a JSON string.
+      @param len specifies the initial length
+                 of the buffer used internally.
+                 Default: 1024. *)
+
+val read_role_update :
+  Yojson.Safe.lexer_state -> Lexing.lexbuf -> role_update
+  (** Input JSON data of type {!role_update}. *)
+
+val role_update_of_string :
+  string -> role_update
+  (** Deserialize JSON data of type {!role_update}. *)
+
diff --git a/lib/models/gen/role_t.ml b/lib/models/gen/role_t.ml
index a4e83c5..0954156 100644
--- a/lib/models/gen/role_t.ml
+++ b/lib/models/gen/role_t.ml
@@ -11,5 +11,19 @@ type t = {
   position: int;
   permissions: int;
   managed: bool;
+  mentionable: bool;
+  guild_id: snowflake
+}
+
+type role = {
+  id: snowflake;
+  name: string;
+  colour: int;
+  hoist: bool;
+  position: int;
+  permissions: int;
+  managed: bool;
   mentionable: bool
 }
+
+type role_update = { role: role; id: snowflake }
diff --git a/lib/models/gen/role_t.mli b/lib/models/gen/role_t.mli
index a4e83c5..0954156 100644
--- a/lib/models/gen/role_t.mli
+++ b/lib/models/gen/role_t.mli
@@ -11,5 +11,19 @@ type t = {
   position: int;
   permissions: int;
   managed: bool;
+  mentionable: bool;
+  guild_id: snowflake
+}
+
+type role = {
+  id: snowflake;
+  name: string;
+  colour: int;
+  hoist: bool;
+  position: int;
+  permissions: int;
+  managed: bool;
   mentionable: bool
 }
+
+type role_update = { role: role; id: snowflake }
diff --git a/lib/models/gen/user.atd b/lib/models/gen/user.atd
index 106b3b0..588242d 100644
--- a/lib/models/gen/user.atd
+++ b/lib/models/gen/user.atd
@@ -1,13 +1,13 @@
 type snowflake <ocaml from="Snowflake" t="t"> = abstract
 
-type t = {
+type partial_user = {
     id: snowflake;
+}
+
+type t = {
+    inherit partial_user;
     username: string;
-    discriminator: string;
+    discriminator: int <json repr="string">;
     ?avatar: string option;
     ~bot <ocaml default="false">: bool;
-}
-
-type partial_user = {
-    id: snowflake;
 }
\ No newline at end of file
diff --git a/lib/models/gen/user_j.ml b/lib/models/gen/user_j.ml
index 552a20d..e281a7f 100644
--- a/lib/models/gen/user_j.ml
+++ b/lib/models/gen/user_j.ml
@@ -6,7 +6,7 @@ type snowflake = Snowflake_t.t
 type t = User_t.t = {
   id: snowflake;
   username: string;
-  discriminator: string;
+  discriminator: int;
   avatar: string option;
   bot: bool
 }
@@ -110,7 +110,7 @@ let write_t : _ -> t -> _ = (
       Bi_outbuf.add_char ob ',';
     Bi_outbuf.add_string ob "\"discriminator\":";
     (
-      Yojson.Safe.write_string
+      Yojson.Safe.write_int
     )
       ob x.discriminator;
     (match x.avatar with None -> () | Some x ->
@@ -225,7 +225,7 @@ let read_t = (
           | 2 ->
             field_discriminator := (
               (
-                Atdgen_runtime.Oj_run.read_string
+                Atdgen_runtime.Oj_run.read_int
               ) p lb
             );
             bits0 := !bits0 lor 0x4;
@@ -325,7 +325,7 @@ let read_t = (
             | 2 ->
               field_discriminator := (
                 (
-                  Atdgen_runtime.Oj_run.read_string
+                  Atdgen_runtime.Oj_run.read_int
                 ) p lb
               );
               bits0 := !bits0 lor 0x4;
diff --git a/lib/models/gen/user_j.mli b/lib/models/gen/user_j.mli
index 576768e..0da284a 100644
--- a/lib/models/gen/user_j.mli
+++ b/lib/models/gen/user_j.mli
@@ -6,7 +6,7 @@ type snowflake = Snowflake_t.t
 type t = User_t.t = {
   id: snowflake;
   username: string;
-  discriminator: string;
+  discriminator: int;
   avatar: string option;
   bot: bool
 }
diff --git a/lib/models/gen/user_t.ml b/lib/models/gen/user_t.ml
index 294cf0a..f08b782 100644
--- a/lib/models/gen/user_t.ml
+++ b/lib/models/gen/user_t.ml
@@ -6,7 +6,7 @@ type snowflake = Snowflake_t.t
 type t = {
   id: snowflake;
   username: string;
-  discriminator: string;
+  discriminator: int;
   avatar: string option;
   bot: bool
 }
diff --git a/lib/models/gen/user_t.mli b/lib/models/gen/user_t.mli
index 294cf0a..f08b782 100644
--- a/lib/models/gen/user_t.mli
+++ b/lib/models/gen/user_t.mli
@@ -6,7 +6,7 @@ type snowflake = Snowflake_t.t
 type t = {
   id: snowflake;
   username: string;
-  discriminator: string;
+  discriminator: int;
   avatar: string option;
   bot: bool
 }
diff --git a/lib/models/guild.ml b/lib/models/guild.ml
index 36b7d4b..ade67be 100644
--- a/lib/models/guild.ml
+++ b/lib/models/guild.ml
@@ -1,2 +1,100 @@
 module Make(Http : S.Http) = struct
+    open Core
+    open Async
+    open Guild_t
+
+    let ban_user ~id ?(reason="") ?(days=0) guild =
+        Http.guild_ban_add guild.id id (`Assoc [
+            ("delete-message-days", `Int days);
+            ("reason", `String reason);
+        ])
+
+    let create_emoji ~name ~image guild =
+        Http.create_emoji guild.id (`Assoc [
+            ("name", `String name);
+            ("image", `String image);
+            ("roles", `List []);
+        ])
+
+    let create_role ~name ?colour ?permissions ?hoist ?mentionable guild =
+        let payload = ("name", `String name) :: [] in
+        let payload = match permissions with
+        | Some p -> ("permissions", `Int p) :: payload
+        | None -> payload
+        in let payload = match colour with
+        | Some c -> ("color", `Int c) :: payload
+        | None -> payload
+        in let payload = match hoist with
+        | Some h -> ("hoist", `Bool h) :: payload
+        | None -> payload
+        in let payload = match mentionable with
+        | Some m -> ("mentionable", `Bool m) :: payload
+        | None -> payload
+        in Http.guild_role_add guild.id (`Assoc payload)
+    
+    let create_channel ~mode ~name guild =
+        let kind = match mode with
+        | `Text -> 0
+        | `Voice -> 2
+        | `Category -> 4
+        in Http.create_guild_channel guild.id (`Assoc [
+            ("name", `String name);
+            ("type", `Int kind);
+        ])
+    
+    let delete guild = Http.delete_guild guild.id
+    let get_ban ~id guild = Http.get_ban guild.id id
+    let get_bans guild = Http.get_bans guild.id
+
+    let get_channel ~id guild =
+        match List.find ~f:(fun c -> c.id = id) guild.channels with
+        | Some c -> return c
+        | None -> Http.get_channel id >>| fun c ->
+            c |> Yojson.Safe.to_string |> Channel_j.t_of_string
+    
+    let get_emoji ~id guild = Http.get_emoji guild.id id
+    let get_invites guild = Http.get_guild_invites guild.id
+
+    let get_member ~id guild =
+        match List.find ~f:(fun m -> m.user.id = id) guild.members with
+        | Some m -> return m
+        | None -> Http.get_member guild.id id >>| fun m ->
+             m |> Yojson.Safe.to_string |> Member_j.t_of_string
+
+    let get_prune_count ~days guild = Http.guild_prune_count guild.id days
+    let get_role ~id guild = List.find ~f:(fun r -> r.id = id) guild.roles
+    let get_webhooks guild = Http.get_guild_webhooks guild.id
+
+    let kick_user ~id ?reason guild =
+        let payload = match reason with
+        | Some r -> `Assoc [("reason", `String r)]
+        | None -> `Null
+        in Http.remove_member guild.id id payload
+
+    let leave guild = Http.leave_guild guild.id
+    let list_voice_regions guild = Http.get_guild_voice_regions guild.id
+    let prune ~days guild = Http.guild_prune_start guild.id days
+    let request_members guild = Http.get_members guild.id
+
+    let set_afk_channel ~id guild = Http.edit_guild guild.id (`Assoc [
+        ("afk_channel_id", `Int id);
+    ])
+
+    let set_afk_timeout ~timeout guild = Http.edit_guild guild.id (`Assoc [
+        ("afk_timeout", `Int timeout);
+    ])
+
+    let set_name ~name guild = Http.edit_guild guild.id (`Assoc [
+        ("name", `String name);
+    ])
+
+    let set_icon ~icon guild = Http.edit_guild guild.id (`Assoc [
+        ("icon", `String icon);
+    ])
+
+    let unban_user ~id ?reason guild =
+        let payload = match reason with
+        | Some r -> `Assoc [("reason", `String r)]
+        | None -> `Null
+        in Http.guild_ban_remove guild.id id payload
 end
\ No newline at end of file
diff --git a/lib/models/role.ml b/lib/models/role.ml
index 36b7d4b..10272a7 100644
--- a/lib/models/role.ml
+++ b/lib/models/role.ml
@@ -1,2 +1,25 @@
 module Make(Http : S.Http) = struct
+    open Role_t
+
+    let edit_role ~body role = Http.guild_role_edit role.guild_id role.id body
+
+    let allow_mention role =
+        edit_role ~body:(`Assoc [("mentionable", `Bool true)]) role
+    
+    let delete role = Http.guild_role_remove role.guild_id role.id
+
+    let disallow_mention role =
+        edit_role ~body:(`Assoc [("mentionable", `Bool false)]) role
+
+    let hoist role =
+        edit_role ~body:(`Assoc [("hoist", `Bool true)]) role
+
+    let set_colour ~colour role =
+        edit_role ~body:(`Assoc [("color", `Int colour)]) role
+
+    let set_name ~name role =
+        edit_role ~body:(`Assoc [("name", `String name)]) role
+
+    let unhoist role =
+        edit_role ~body:(`Assoc [("hoist", `Bool false)]) role
 end
\ No newline at end of file
diff --git a/lib/models/snowflake.ml b/lib/models/snowflake.ml
index 36b7d4b..305043e 100644
--- a/lib/models/snowflake.ml
+++ b/lib/models/snowflake.ml
@@ -1,2 +1,14 @@
 module Make(Http : S.Http) = struct
+    open Core
+
+    let timestamp snowflake =
+        let offset = (snowflake lsr 22) / 1000 in
+        1_420_070_400 + offset
+
+    let timestamp_iso snowflake =
+        let t = timestamp snowflake in
+        Date.(
+            of_time ~zone:Time.Zone.utc
+            Time.(of_span_since_epoch @@ Span.of_int_sec t)
+        |> format) "%FT%T+00:00"
 end
\ No newline at end of file
diff --git a/lib/models/user.ml b/lib/models/user.ml
index 36b7d4b..13ee1cf 100644
--- a/lib/models/user.ml
+++ b/lib/models/user.ml
@@ -1,2 +1,22 @@
 module Make(Http : S.Http) = struct
+    open Core
+    open User_t
+
+    let tag user =
+        Printf.sprintf "%s#%d" user.username user.discriminator
+
+    let mention (user:User_t.t) =
+        Printf.sprintf "<@%d>" user.id
+
+    let default_avatar user =
+        let avatar = user.discriminator % 5 in
+        Endpoints.cdn_default_avatar avatar
+
+    let face user = match user.avatar with
+        | Some avatar ->
+            let ext = if String.is_substring ~substring:"a_" avatar
+            then "gif"
+            else "png" in
+            Endpoints.cdn_avatar user.id avatar ext
+        | None -> default_avatar user
 end
\ No newline at end of file
diff --git a/lib/s.ml b/lib/s.ml
index b945218..d46726f 100644
--- a/lib/s.ml
+++ b/lib/s.ml
@@ -16,7 +16,39 @@ module type Embed = sig end
 
 module type Emoji = sig end
 
-module type Guild = sig end
+module type Guild = sig
+    val ban_user : id:Snowflake_t.t -> ?reason:string -> ?days:int -> Guild_t.t -> Yojson.Safe.json Deferred.t
+    val create_emoji : name:string -> image:string -> Guild_t.t -> Yojson.Safe.json Deferred.t
+    val create_role :
+        name:string ->
+        ?colour:int ->
+        ?permissions:int ->
+        ?hoist:bool ->
+        ?mentionable:bool ->
+        Guild_t.t ->
+        Yojson.Safe.json Deferred.t
+    val create_channel : mode:[ `Text | `Voice | `Category ] -> name:string -> Guild_t.t -> Yojson.Safe.json Deferred.t
+    val delete : Guild_t.t -> Yojson.Safe.json Deferred.t
+    val get_ban : id:Snowflake_t.t -> Guild_t.t -> Yojson.Safe.json Deferred.t
+    val get_bans : Guild_t.t -> Yojson.Safe.json Deferred.t
+    val get_channel : id:Snowflake_t.t -> Guild_t.t -> Channel_t.t Deferred.t
+    val get_emoji : id:Snowflake_t.t -> Guild_t.t -> Yojson.Safe.json Deferred.t
+    val get_invites : Guild_t.t -> Yojson.Safe.json Deferred.t
+    val get_member : id:Snowflake_t.t -> Guild_t.t -> Member_t.t Deferred.t
+    val get_prune_count : days:int -> Guild_t.t -> Yojson.Safe.json Deferred.t
+    val get_role : id:Snowflake_t.t -> Guild_t.t -> Role_t.t option
+    val get_webhooks : Guild_t.t -> Yojson.Safe.json Deferred.t
+    val kick_user : id:Snowflake_t.t -> ?reason:string -> Guild_t.t -> Yojson.Safe.json Deferred.t
+    val leave : Guild_t.t -> Yojson.Safe.json Deferred.t
+    val list_voice_regions : Guild_t.t -> Yojson.Safe.json Deferred.t
+    val prune : days:int -> Guild_t.t -> Yojson.Safe.json Deferred.t
+    val request_members : Guild_t.t -> Yojson.Safe.json Deferred.t
+    val set_afk_channel : id:Snowflake_t.t -> Guild_t.t -> Yojson.Safe.json Deferred.t
+    val set_afk_timeout : timeout:int -> Guild_t.t -> Yojson.Safe.json Deferred.t
+    val set_name : name:string -> Guild_t.t -> Yojson.Safe.json Deferred.t
+    val set_icon : icon:string -> Guild_t.t -> Yojson.Safe.json Deferred.t
+    val unban_user : id:Snowflake_t.t -> ?reason:string -> Guild_t.t -> Yojson.Safe.json Deferred.t
+end
 
 module type Member = sig
     (* val add_role : Member_t.t -> Role_t.t -> Yojson.Safe.json Deferred.t
@@ -46,11 +78,29 @@ module type Presence = sig end
 
 module type Reaction = sig end
 
-module type Role = sig end
+module type Role = sig
+    val allow_mention : Role_t.t -> Yojson.Safe.json Deferred.t
+    val delete : Role_t.t -> Yojson.Safe.json Deferred.t
+    val disallow_mention : Role_t.t -> Yojson.Safe.json Deferred.t
+    val hoist : Role_t.t -> Yojson.Safe.json Deferred.t
+    val set_colour : colour:int -> Role_t.t -> Yojson.Safe.json Deferred.t
+    val set_name : name:string -> Role_t.t -> Yojson.Safe.json Deferred.t
+    val unhoist : Role_t.t -> Yojson.Safe.json Deferred.t
+end
 
-module type Snowflake = sig end
+module type Snowflake = sig
+    val timestamp : Snowflake_t.t -> int
+    val timestamp_iso : Snowflake_t.t -> string
+end
 
-module type User = sig end
+module type User = sig
+    val tag : User_t.t -> string
+    val mention : User_t.t -> string
+    val default_avatar : User_t.t -> string
+    val face : User_t.t -> string
+    (* val private_channel : User_t.t -> Channel_t.t *)
+    (* val send : User_t.t -> Yojson.Safe.json Deferred.t *)
+end
 
 module type Http = sig
     val token : string
@@ -138,7 +188,7 @@ module type Http = sig
       int -> int -> Yojson.Safe.json -> Yojson.Safe.json Conduit_async.io
     val edit_member :
       int -> int -> Yojson.Safe.json -> Yojson.Safe.json Conduit_async.io
-    val remove_member : int -> int -> Yojson.Safe.json Conduit_async.io
+    val remove_member : int -> int -> Yojson.Safe.json -> Yojson.Safe.json Conduit_async.io
     val change_nickname :
       int -> Yojson.Safe.json -> Yojson.Safe.json Conduit_async.io
     val add_member_role :
@@ -149,7 +199,7 @@ module type Http = sig
     val get_ban : int -> int -> Yojson.Safe.json Conduit_async.io
     val guild_ban_add :
       int -> int -> Yojson.Safe.json -> Yojson.Safe.json Conduit_async.io
-    val guild_ban_remove : int -> int -> Yojson.Safe.json Conduit_async.io
+    val guild_ban_remove : int -> int -> Yojson.Safe.json -> Yojson.Safe.json Conduit_async.io
     val get_roles : int -> Yojson.Safe.json Conduit_async.io
     val guild_role_add :
       int -> Yojson.Safe.json -> Yojson.Safe.json Conduit_async.io
@@ -158,9 +208,9 @@ module type Http = sig
     val guild_role_edit :
       int -> int -> Yojson.Safe.json -> Yojson.Safe.json Conduit_async.io
     val guild_role_remove : int -> int -> Yojson.Safe.json Conduit_async.io
-    val guild_prune_count : int -> Yojson.Safe.json Conduit_async.io
+    val guild_prune_count : int -> int -> Yojson.Safe.json Conduit_async.io
     val guild_prune_start :
-      int -> Yojson.Safe.json -> Yojson.Safe.json Conduit_async.io
+      int -> int -> Yojson.Safe.json Conduit_async.io
     val get_guild_voice_regions : int -> Yojson.Safe.json Conduit_async.io
     val get_guild_invites : int -> Yojson.Safe.json Conduit_async.io
     val get_integrations : int -> Yojson.Safe.json Conduit_async.io