add gs

RCCService2018/content/internal/AppShell/Modules/Shell/Reducers/UserThumbnails.lua

@@ -0,0 +1,48 @@
+local Modules = game:GetService("CoreGui").RobloxGui.Modules
+local Immutable = require(Modules.Common.Immutable)
+local FetchUserThumbnail = require(Modules.Shell.Actions.FetchUserThumbnail)
+local SetUserThumbnail = require(Modules.Shell.Actions.SetUserThumbnail)
+local ResetUserThumbnails = require(Modules.Shell.Actions.ResetUserThumbnails)
+
+return function(state, action)
+	state = state or {}
+
+	if action.type == FetchUserThumbnail.name then
+		local rbxuid = action.rbxuid
+		local thumbnailType = action.thumbnailType
+		local thumbnailSize = action.thumbnailSize
+		local thumbnailId = table.concat{ rbxuid, thumbnailType.Name, thumbnailSize.Name }
+		local thumbnailData = state[thumbnailId] or {}
+		state = Immutable.Set(state, thumbnailId, Immutable.Set(thumbnailData, "isFetching", true))
+	elseif action.type == SetUserThumbnail.name then
+		local rbxuid = action.rbxuid
+		local thumbnailType = action.thumbnailType
+		local thumbnailSize = action.thumbnailSize
+		local thumbnailId = table.concat{ rbxuid, thumbnailType.Name, thumbnailSize.Name }
+		local thumbnailData = state[thumbnailId] or {}
+		--add fetchSuccess as fetchSuccess will indicate the last fetchSuccess or not (We can deduce it from imageUrl and lastUpdated, but it's more clear to have this in store)
+		if action.success and action.isFinal then --Only update image if fetch success and is final image
+			state = Immutable.Set(state, thumbnailId,
+				Immutable.JoinDictionaries(thumbnailData, {
+					fetchSuccess = true,
+					isFetching = false,
+					imageUrl = action.imageUrl,
+					lastUpdated = action.timestamp
+				})
+			)
+		else
+			state = Immutable.Set(state, thumbnailId,
+				Immutable.JoinDictionaries(thumbnailData, {
+					fetchSuccess = false,
+					isFetching = false,
+					--We need lastUpdated time
+					lastUpdated = action.timestamp
+				})
+			)
+		end
+	elseif action.type == ResetUserThumbnails.name then
+		state = {}
+	end
+
+	return state
+end