Add ability to change project's color

twenty-backend/lib/twenty-backend/graphql/mutation/set_random_project_color.rb

@@ -0,0 +1,18 @@
+module Twenty::GraphQL::Mutation
+  class SetRandomProjectColor < ::GraphQL::Schema::Mutation
+    require_relative "../type/project"
+    argument :project_id, Int, required: true
+    field :ok, Boolean, null: false
+    field :errors, [String], null: false
+    field :project, Twenty::GraphQL::Type::Project, null: true
+
+    def resolve(project_id:)
+      project = Twenty::Project.find_by(id: project_id)
+      project.color = project.send(:random_color)
+      project.save!
+      {ok: true, errors: [], project:}
+    rescue => ex
+      {ok: false, errors: [ex.message]}
+    end
+  end
+end

twenty-backend/lib/twenty-backend/graphql/type/mutation.rb

@@ -4,9 +4,11 @@ module Twenty::GraphQL::Type
     require_relative "../mutation/complete_task"
     require_relative "../mutation/create_task"
     require_relative "../mutation/update_task"
+    require_relative "../mutation/set_random_project_color"
     field :destroy_task, mutation: Twenty::GraphQL::Mutation::DestroyTask
     field :complete_task, mutation: Twenty::GraphQL::Mutation::CompleteTask
     field :create_task, mutation: Twenty::GraphQL::Mutation::CreateTask
     field :update_task, mutation: Twenty::GraphQL::Mutation::UpdateTask
+    field :set_random_project_color, mutation: Twenty::GraphQL::Mutation::SetRandomProjectColor
   end
 end

twenty-backend/share/twenty-backend/schema.graphql

@@ -30,6 +30,7 @@ type Mutation {
   completeTask(taskId: Int!): CompleteTaskPayload
   createTask(input: TaskInput!): CreateTaskPayload
   destroyTask(taskId: Int!): DestroyTaskPayload
+  setRandomProjectColor(projectId: Int!): SetRandomProjectColorPayload
   updateTask(input: TaskInput!, taskId: Int!): UpdateTaskPayload
 }
 
@@ -47,6 +48,15 @@ type Query {
   tasks(projectId: Int, status: TaskStatus!): [Task!]!
 }
 
+"""
+Autogenerated return type of SetRandomProjectColor.
+"""
+type SetRandomProjectColorPayload {
+  errors: [String!]!
+  ok: Boolean!
+  project: Project
+}
+
 type Task {
   content: String!
   id: Int!

twenty-frontend/src/js/components/Projects.tsx

@@ -1,3 +1,4 @@
+import { useSetRandomProjectColor } from "/hooks/mutations/useSetRandomProjectColor";
 import React, { useEffect } from "react";
 import { NavBar } from "/components/NavBar";
 import { useProjects } from "/hooks/queries/useProjects";
@@ -5,6 +6,7 @@ import { Project } from "/types/schema";
 
 export function Projects() {
   const { data, loading } = useProjects();
+  const setRandomProjectColor = useSetRandomProjectColor();
   const projects = data?.projects;
 
   useEffect(() => {
@@ -29,8 +31,17 @@ export function Projects() {
                 className="flex flex-row p-3 hover-bg-secondary w-full"
                 key={i}
               >
+                <div
+                  style={{ backgroundColor: project.color }}
+                  className="w-2/8 rounded w-12 h-12 mr-3 cursor-pointer"
+                  onClick={async () => {
+                    await setRandomProjectColor({
+                      variables: { projectId: project.id },
+                    });
+                  }}
+                ></div>
                 <a
-                  className="no-underline text-accent block h-14"
+                  className="w-6/8 no-underline text-accent block h-14"
                   href={`/tasks/#projectId=${project.id}`}
                 >
                   <span className="block w-full">{project.name}</span>

twenty-frontend/src/js/hooks/mutations/useSetRandomProjectColor.tsx

@@ -0,0 +1,62 @@
+import { ApolloCache, useMutation, gql } from "@apollo/client";
+import {
+  SetRandomProjectColorPayload,
+  MutationSetRandomProjectColorArgs,
+  Project,
+} from "/types/schema";
+
+const GQL = gql`
+  mutation SetRandomProjectColor($projectId: Int!) {
+    setRandomProjectColor(projectId: $projectId) {
+      project {
+        id
+        color
+      }
+      errors
+    }
+  }
+`;
+
+type TArgs = {
+  variables: { projectId: number };
+};
+
+export function useSetRandomProjectColor() {
+  const [setRandomProjectColor] = useMutation<
+    SetRandomProjectColorPayload,
+    MutationSetRandomProjectColorArgs
+  >(GQL);
+
+  return ({ variables }: TArgs) => {
+    return setRandomProjectColor({
+      variables,
+      update(cache, { data }) {
+        const project: Project = data.project;
+        modify(cache, project);
+      },
+    });
+  };
+}
+
+const modify = (
+  cache: ApolloCache<SetRandomProjectColorPayload>,
+  project: Project,
+) => {
+  cache.modify({
+    id: cache.identify(project),
+    fields: {
+      projects(existingProjects = []) {
+        cache.writeFragment({
+          id: cache.identify(project),
+          data: { project },
+          fragment: gql`
+            fragment P on Project {
+              color
+            }
+          `,
+        });
+        return [...existingProjects, project];
+      },
+    },
+  });
+};

twenty-frontend/src/js/types/schema.ts

@@ -54,6 +54,7 @@ export type Mutation = {
   completeTask?: Maybe<CompleteTaskPayload>;
   createTask?: Maybe<CreateTaskPayload>;
   destroyTask?: Maybe<DestroyTaskPayload>;
+  setRandomProjectColor?: Maybe<SetRandomProjectColorPayload>;
   updateTask?: Maybe<UpdateTaskPayload>;
 };
 
@@ -69,6 +70,10 @@ export type MutationDestroyTaskArgs = {
   taskId: Scalars["Int"]["input"];
 };
 
+export type MutationSetRandomProjectColorArgs = {
+  projectId: Scalars["Int"]["input"];
+};
+
 export type MutationUpdateTaskArgs = {
   input: TaskInput;
   taskId: Scalars["Int"]["input"];
@@ -99,6 +104,14 @@ export type QueryTasksArgs = {
   status: TaskStatus;
 };
 
+/** Autogenerated return type of SetRandomProjectColor. */
+export type SetRandomProjectColorPayload = {
+  __typename?: "SetRandomProjectColorPayload";
+  errors: Array<Scalars["String"]["output"]>;
+  ok: Scalars["Boolean"]["output"];
+  project?: Maybe<Project>;
+};
+
 export type Task = {
   __typename?: "Task";
   content: Scalars["String"]["output"];