fix: spotify sending double instead of int for documented endpoints

lib/src/models/audio_analysis.dart

@@ -49,6 +49,7 @@ abstract class _Section {
   /// The estimated overall key of the section. The values in this field
   /// ranging from `0 to `11` mapping to pitches using standard Pitch Class notation
   /// (E.g. `0 = C`, `1 = C♯/D♭`, `2 = D`, and so on). If no key was detected, the value is `-1`.
+  @JsonKey(fromJson: convertToIntIfDoubleValue)
   int? key;
 
   /// The confidence, from 0.0 to 1.0, of the reliability of the key.
@@ -62,6 +63,7 @@ abstract class _Section {
   /// Note that the major key (e.g. C major) could more likely be confused
   /// with the minor key at `3` semitones lower (e.g. A minor) as both
   /// keys carry the same pitches.
+  @JsonKey(fromJson: convertToIntIfDoubleValue)
   int? mode;
 
   /// The confidence, from `0.0` to `1.0`, of the reliability of the mode.
@@ -73,7 +75,7 @@ abstract class _Section {
   /// how many beats are in each bar (or measure).
   /// The time signature ranges from `3` to `7` indicating time signatures
   /// of “3/4”, to “7/4”.
-  @JsonKey(name: 'time_signature')
+  @JsonKey(name: 'time_signature', fromJson: convertToIntIfDoubleValue)
   int? timeSignature;
 
   /// The confidence, from `0.0` to `1.0`, of the reliability of the
@@ -93,16 +95,16 @@ class TrackAudioAnalysis extends _Section {
 
   /// The exact number of audio samples analyzed from this track.
   /// See also [analysisSampleRate].
-  @JsonKey(name: 'num_samples')
+  @JsonKey(name: 'num_samples', fromJson: convertToIntIfDoubleValue)
   int? numSamples;
 
   /// The sample rate used to decode and analyze this track.
   ///
   /// May differ from the actual sample rate of this track available on Spotify.
-  @JsonKey(name: 'analysis_sample_rate')
+  @JsonKey(name: 'analysis_sample_rate', fromJson: convertToIntIfDoubleValue)
   int? analysisSampleRate;
 
-  @JsonKey(name: 'analysis_channels')
+  @JsonKey(name: 'analysis_channels', fromJson: convertToIntIfDoubleValue)
   int? analysisChannels;
 
   /// The time, in seconds, at which the track's fade-in period ends.

lib/src/models/audio_feature.dart

@@ -27,7 +27,7 @@ class AudioFeature extends Object {
   double? danceability;
 
   /// The track length in milliseconds.
-  @JsonKey(name: 'duration_ms')
+  @JsonKey(name: 'duration_ms', fromJson: convertToIntIfDoubleValue)
   int? durationMs;
 
   /// The track length
@@ -55,6 +55,7 @@ class AudioFeature extends Object {
 
   /// The key the track is in. Integers map to pitches using standard Pitch
   /// Class notation. E.g. `0 = C`, `1 = C♯/D♭`, `2 = D`, and so on.
+  @JsonKey(fromJson: convertToIntIfDoubleValue)
   int? key;
 
   /// Detects the presence of an audience in the recording. Higher liveness
@@ -72,6 +73,7 @@ class AudioFeature extends Object {
   /// Mode indicates the modality (major or minor) of a track, the type of scale
   /// from which its melodic content is derived. Major is represented by 1 and
   /// minor is `0`.
+  @JsonKey(fromJson: convertToIntIfDoubleValue)
   int? mode;
 
   /// Speechiness detects the presence of spoken words in a track. The more
@@ -91,7 +93,7 @@ class AudioFeature extends Object {
   /// An estimated overall time signature of a track. The time signature (meter)
   /// is a notational convention to specify how many beats are in each bar (or
   /// measure).
-  @JsonKey(name: 'time_signature')
+  @JsonKey(name: 'time_signature', fromJson: convertToIntIfDoubleValue)
   int? timeSignature;
 
   /// A link to the Web API endpoint providing full details of the track.

lib/src/models/device.dart

@@ -38,7 +38,7 @@ class Device extends Object {
   DeviceType? type;
 
   /// The current volume in percent. This may be `null`.
-  @JsonKey(name: 'volume_percent')
+  @JsonKey(name: 'volume_percent', fromJson: convertToIntIfDoubleValue)
   int? volumePercent;
 }
 

lib/src/models/episode.dart

@@ -18,7 +18,7 @@ class Episode extends Object {
   String? description;
 
   /// The episode length in milliseconds.
-  @JsonKey(name: 'duration_ms')
+  @JsonKey(name: 'duration_ms', fromJson: convertToIntIfDoubleValue)
   int? durationMs;
 
   /// Whether or not the episode has explicit content
@@ -80,7 +80,6 @@ class Episode extends Object {
 /// Json representation of an episode with information about its show
 @JsonSerializable(createToJson: false)
 class EpisodeFull extends Episode {
-
   EpisodeFull();
 
   Show? show;

lib/src/models/error.dart

@@ -13,6 +13,7 @@ class SpotifyError extends Object {
 
   /// The HTTP status code (also returned in the response header; see Response
   /// Status Codes for more information).
+  @JsonKey(fromJson: convertToIntIfDoubleValue)
   int? status;
 
   /// A short description of the cause of the error.

lib/src/models/paging.dart

@@ -25,11 +25,15 @@ class BasePaging<T> extends Object {
   /// Note this is the raw JSON value. Use a [Page]'s [Page.items] to get the
   /// requested data as a deserialized list.
   @JsonKey(
-      name: 'items', fromJson: itemsNativeFromJson, toJson: itemsNativeToJson)
+    name: 'items',
+    fromJson: itemsNativeFromJson,
+    toJson: itemsNativeToJson,
+  )
   Iterable<dynamic>? itemsNative;
 
   /// The maximum number of items in the response (as set in the query or by
   /// default).
+  @JsonKey(fromJson: convertToIntIfDoubleValueWithoutNull)
   int limit = 20;
 
   /// URL to the next page of items. (`null` if none)
@@ -44,12 +48,14 @@ class Paging<T> extends BasePaging<T> {
   factory Paging.fromJson(Map<String, dynamic> json) => _$PagingFromJson(json);
 
   /// The offset of the items returned (as set in the query or by default).
+  @JsonKey(fromJson: convertToIntIfDoubleValue)
   int? offset;
 
   /// URL to the previous page of items. (null if none)
   String? previous;
 
   /// The total number of items available to return.
+  @JsonKey(fromJson: convertToIntIfDoubleValueWithoutNull)
   int total = 0;
 }