diff options
Diffstat (limited to 'lib/models/snowflake.ml')
| -rw-r--r-- | lib/models/snowflake.ml | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/lib/models/snowflake.ml b/lib/models/snowflake.ml index 92d94fa..2bf2281 100644 --- a/lib/models/snowflake.ml +++ b/lib/models/snowflake.ml @@ -1,11 +1,19 @@ open Core
-type t = int64 [@@deriving sexp, yojson]
+type t = Int.t [@@deriving sexp]
-let timestamp snowflake = Int64.((snowflake lsr 22) + 1_420_070_400_000L)
+let of_yojson_exn d = Yojson.Safe.Util.to_string d |> Int.of_string
+
+let of_yojson d =
+ try Ok (of_yojson_exn d)
+ with Yojson.Safe.Util.Type_error (why,_) -> Error why
+
+let to_yojson s : Yojson.Safe.t = `String (Int.to_string s)
+
+let timestamp snowflake = (snowflake lsr 22) + 1_420_070_400_000
let time_of_t snowflake =
- let t = timestamp snowflake |> Int64.to_float in
+ let t = timestamp snowflake |> float_of_int in
Time.(Span.of_ms t
|> of_span_since_epoch)
|