feat(template projects): generate git repo on backend (#218)

### TL;DR

- Still cretaes app if user migrates from page

The PR introduces a new `AddProjectFromTemplate` mutation to facilitate project creation using a repository template. This change centralizes the template project creation logic within the backend, improving code maintainability by removing redundant client-side code.

### What changed?
- Added `AddProjectFromTemplate` input type in `schema.gql` and corresponding TypeScript interfaces.
- Implemented `addProjectFromTemplate` resolver with error handling and Octokit integration for repository creation.
- Updated `service.ts` to include the new `addProjectFromTemplate` method.
- Created new GraphQL `Mutation` for `addProjectFromTemplate` in the GraphQL schema.
- Adjusted the client-side GQLClient to support the new mutation.
- Modified frontend to utilize the new backend mutation for project creation from a template.

### How to test?
1. Ensure your backend server is running.
2. Use a GraphQL client like Postman to call the `addProjectFromTemplate` mutation with appropriate input.
3. Verify that the new project is created using the specified template, and appropriate error messages are returned for failures.
4. Check the frontend flow for creating a project from a template to ensure it is working correctly.

### Why make this change?
This change enhances code maintainability by centralizing template project creation logic within the backend, thereby reducing redundancy and potential inconsistencies in client-side implementations.

---

packages/backend/src/resolvers.ts

@@ -6,6 +6,7 @@ import { Permission } from './entity/ProjectMember';
 import { Domain } from './entity/Domain';
 import { Project } from './entity/Project';
 import { EnvironmentVariable } from './entity/EnvironmentVariable';
+import { AddProjectFromTemplateInput } from './types';
 
 const log = debug('snowball:resolver');
 
@@ -197,6 +198,26 @@ export const createResolvers = async (service: Service): Promise<any> => {
         }
       },
 
+      addProjectFromTemplate: async (
+        _: any,
+        {
+          organizationSlug,
+          data,
+        }: { organizationSlug: string; data: AddProjectFromTemplateInput },
+        context: any,
+      ) => {
+        try {
+          return await service.addProjectFromTemplate(
+            context.user,
+            organizationSlug,
+            data,
+          );
+        } catch (err) {
+          log(err);
+          throw err;
+        }
+      },
+
       addProject: async (
         _: any,
         {

packages/backend/src/schema.gql

@@ -130,6 +130,14 @@ input AddEnvironmentVariableInput {
   value: String!
 }
 
+input AddProjectFromTemplateInput {
+  templateOwner: String!
+  templateRepo: String!
+  owner: String!
+  name: String!
+  isPrivate: Boolean!
+}
+
 input AddProjectInput {
   name: String!
   repository: String!
@@ -204,6 +212,10 @@ type Mutation {
   ): Boolean!
   removeEnvironmentVariable(environmentVariableId: String!): Boolean!
   updateDeploymentToProd(deploymentId: String!): Boolean!
+  addProjectFromTemplate(
+    organizationSlug: String!
+    data: AddProjectFromTemplateInput
+  ): Project!
   addProject(organizationSlug: String!, data: AddProjectInput): Project!
   updateProject(projectId: String!, data: UpdateProjectInput): Boolean!
   redeployToProd(deploymentId: String!): Boolean!

packages/backend/src/service.ts

@@ -16,6 +16,7 @@ import { User } from './entity/User';
 import { Registry } from './registry';
 import { GitHubConfig, RegistryConfig } from './config';
 import {
+  AddProjectFromTemplateInput,
   AppDeploymentRecord,
   AppDeploymentRemovalRecord,
   GitPushEventPayload,
@@ -643,6 +644,53 @@ export class Service {
     return newDeployment;
   }
 
+  async addProjectFromTemplate(
+    user: User,
+    organizationSlug: string,
+    data: AddProjectFromTemplateInput,
+  ): Promise<Project | undefined> {
+    try {
+      const octokit = await this.getOctokit(user.id);
+
+      const gitRepo = await octokit?.rest.repos.createUsingTemplate({
+        template_owner: data.templateOwner,
+        template_repo: data.templateRepo,
+        owner: data.owner,
+        name: data.name,
+        include_all_branches: false,
+        private: data.isPrivate,
+      });
+
+      if (!gitRepo) {
+        throw new Error('Failed to create repository from template');
+      }
+
+      const createdTemplateRepo = await octokit.rest.repos.get({
+        owner: data.owner,
+        repo: data.name,
+      });
+
+      const prodBranch = createdTemplateRepo.data.default_branch ?? 'main';
+
+      const project = await this.addProject(user, organizationSlug, {
+        name: `${gitRepo.data.owner!.login}-${gitRepo.data.name}`,
+        prodBranch,
+        repository: gitRepo.data.full_name,
+        // TODO: Set selected template
+        template: 'webapp',
+      });
+
+      if (!project || !project.id) {
+        throw new Error('Failed to create project from template');
+      }
+
+      return project;
+    } catch (error) {
+      console.error('Error creating project from template:', error);
+      throw error;
+    }
+  }
+
   async addProject(
     user: User,
     organizationSlug: string,
@@ -672,7 +720,7 @@ export class Service {
     });
 
     // Create deployment with prod branch and latest commit
-    await this.createDeployment(user.id, octokit, {
+    const deployment = await this.createDeployment(user.id, octokit, {
       project,
       branch: project.prodBranch,
       environment: Environment.Production,
@@ -683,6 +731,8 @@ export class Service {
 
     await this.createRepoHook(octokit, project);
 
+    console.log('projectid is', project.id);
+
     return project;
   }
 

packages/backend/src/types.ts

@@ -41,7 +41,7 @@ export interface AppDeploymentRecordAttributes {
 export interface AppDeploymentRemovalRecordAttributes {
   deployment: string;
   request: string;
-  type: "ApplicationDeploymentRemovalRecord";
+  type: 'ApplicationDeploymentRemovalRecord';
   version: string;
 }
 
@@ -61,3 +61,11 @@ export interface AppDeploymentRecord extends RegistryRecord {
 export interface AppDeploymentRemovalRecord extends RegistryRecord {
   attributes: AppDeploymentRemovalRecordAttributes;
 }
+
+export interface AddProjectFromTemplateInput {
+  templateOwner: string;
+  templateRepo: string;
+  owner: string;
+  name: string;
+  isPrivate: boolean;
+}