[MM-42742] Add top reactions endpoint (#19850)

api4/reaction.go

@@ -16,6 +16,9 @@ func (api *API) InitReaction() {
 	api.BaseRoutes.Post.Handle("/reactions", api.APISessionRequired(getReactions)).Methods("GET")
 	api.BaseRoutes.ReactionByNameForPostForUser.Handle("", api.APISessionRequired(deleteReaction)).Methods("DELETE")
 	api.BaseRoutes.Posts.Handle("/ids/reactions", api.APISessionRequired(getBulkReactions)).Methods("POST")
+
+	api.BaseRoutes.Team.Handle("/top/reactions", api.APISessionRequired(getTopReactionsForTeamSince)).Methods("GET")
+	api.BaseRoutes.Users.Handle("/me/top/reactions", api.APISessionRequired(getTopReactionsForUserSince)).Methods("GET")
 }
 
 func saveReaction(c *Context, w http.ResponseWriter, r *http.Request) {
@@ -138,3 +141,85 @@ func getBulkReactions(c *Context, w http.ResponseWriter, r *http.Request) {
 	}
 	w.Write(js)
 }
+
+func getTopReactionsForTeamSince(c *Context, w http.ResponseWriter, r *http.Request) {
+	c.RequireTeamId().RequireTimeRange()
+	if c.Err != nil {
+		return
+	}
+
+	team, err := c.App.GetTeam(c.Params.TeamId)
+	if err != nil {
+		c.Err = err
+		return
+	}
+
+	if (!team.AllowOpenInvite || team.Type != model.TeamOpen) && !c.App.SessionHasPermissionToTeam(*c.AppContext.Session(), team.Id, model.PermissionViewTeam) {
+		c.SetPermissionError(model.PermissionViewTeam)
+		return
+	}
+
+	topReactionList, err := c.App.GetTopReactionsForTeamSince(c.Params.TeamId, c.AppContext.Session().UserId, &model.InsightsOpts{
+		StartUnixMilli: c.Params.TimeRange,
+		Page:           c.Params.Page,
+		PerPage:        c.Params.PerPage,
+	})
+	if err != nil {
+		c.Err = err
+		return
+	}
+
+	js, jsonErr := json.Marshal(topReactionList)
+	if jsonErr != nil {
+		c.Err = model.NewAppError("getTopReactionsForTeamSince", "api.marshal_error", nil, jsonErr.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.Write(js)
+}
+
+func getTopReactionsForUserSince(c *Context, w http.ResponseWriter, r *http.Request) {
+	c.RequireTimeRange()
+	if c.Err != nil {
+		return
+	}
+
+	c.Params.TeamId = r.URL.Query().Get("team_id")
+
+	// TeamId is an optional parameter
+	if c.Params.TeamId != "" {
+		if !model.IsValidId(c.Params.TeamId) {
+			c.SetInvalidURLParam("team_id")
+			return
+		}
+
+		team, teamErr := c.App.GetTeam(c.Params.TeamId)
+		if teamErr != nil {
+			c.Err = teamErr
+			return
+		}
+
+		if (!team.AllowOpenInvite || team.Type != model.TeamOpen) && !c.App.SessionHasPermissionToTeam(*c.AppContext.Session(), team.Id, model.PermissionViewTeam) {
+			c.SetPermissionError(model.PermissionViewTeam)
+			return
+		}
+	}
+
+	topReactionList, err := c.App.GetTopReactionsForUserSince(c.AppContext.Session().UserId, c.Params.TeamId, &model.InsightsOpts{
+		StartUnixMilli: c.Params.TimeRange,
+		Page:           c.Params.Page,
+		PerPage:        c.Params.PerPage,
+	})
+	if err != nil {
+		c.Err = err
+		return
+	}
+
+	js, jsonErr := json.Marshal(topReactionList)
+	if jsonErr != nil {
+		c.Err = model.NewAppError("getTopReactionsForUserSince", "api.marshal_error", nil, jsonErr.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.Write(js)
+}