Add secret sync vercel integration

backend/src/services/app-connection/vercel/vercel-connection-fns.ts

@@ -0,0 +1,261 @@
+/* eslint-disable no-await-in-loop */
+import { AxiosError, AxiosResponse } from "axios";
+
+import { request } from "@app/lib/config/request";
+import { BadRequestError, InternalServerError } from "@app/lib/errors";
+import { AppConnection } from "@app/services/app-connection/app-connection-enums";
+import { TVercelBranches } from "@app/services/integration-auth/integration-auth-types";
+import { IntegrationUrls } from "@app/services/integration-auth/integration-list";
+
+import { VercelConnectionMethod } from "./vercel-connection-enums";
+import {
+  TVercelConnectionConfig,
+  TVercelConnectionInput,
+  VercelApp,
+  VercelEnvironment,
+  VercelOrgWithApps
+} from "./vercel-connection-types";
+
+export const getVercelConnectionListItem = () => {
+  return {
+    name: "Vercel" as const,
+    app: AppConnection.Vercel as const,
+    methods: Object.values(VercelConnectionMethod) as [VercelConnectionMethod.API_TOKEN]
+  };
+};
+
+export const validateVercelConnectionCredentials = async (config: TVercelConnectionConfig) => {
+  const { credentials: inputCredentials } = config;
+
+  let response: AxiosResponse<VercelApp[]> | null = null;
+
+  try {
+    response = await request.get<VercelApp[]>(`${IntegrationUrls.VERCEL_API_URL}/v9/projects`, {
+      headers: {
+        Authorization: `Bearer ${inputCredentials.apiToken}`
+      }
+    });
+  } catch (error: unknown) {
+    if (error instanceof AxiosError) {
+      throw new BadRequestError({
+        message: `Failed to validate credentials: ${error.message || "Unknown error"}`
+      });
+    }
+    throw new BadRequestError({
+      message: "Unable to validate connection - verify credentials"
+    });
+  }
+
+  if (!response?.data) {
+    throw new InternalServerError({
+      message: "Failed to get organizations: Response was empty"
+    });
+  }
+
+  return inputCredentials;
+};
+
+interface ApiResponse<T> {
+  pagination?: {
+    count: number;
+    next: number;
+  };
+  data: T[];
+  [key: string]: unknown;
+}
+
+async function fetchAllPages<T>(
+  apiUrl: string,
+  apiToken: string,
+  initialParams: Record<string, string | number> = {},
+  dataPath?: string
+): Promise<T[]> {
+  const allItems: T[] = [];
+  let hasMoreItems = true;
+  let params: Record<string, string | number> = { ...initialParams, limit: 100 };
+
+  while (hasMoreItems) {
+    try {
+      const response = await request.get<ApiResponse<T>>(apiUrl, {
+        params,
+        headers: {
+          Authorization: `Bearer ${apiToken}`,
+          "Accept-Encoding": "application/json"
+        }
+      });
+
+      if (!response?.data) {
+        throw new InternalServerError({
+          message: `Failed to fetch data from ${apiUrl}: Response was empty or malformed`
+        });
+      }
+
+      let itemsData: T[];
+
+      if (dataPath && dataPath in response.data) {
+        itemsData = response.data[dataPath] as T[];
+      } else {
+        itemsData = response.data.data;
+      }
+
+      if (!Array.isArray(itemsData)) {
+        throw new InternalServerError({
+          message: `Failed to fetch data from ${apiUrl}: Expected array but got ${typeof itemsData}`
+        });
+      }
+
+      allItems.push(...itemsData);
+
+      if (response.data.pagination?.next) {
+        params = { ...params, since: response.data.pagination.next };
+      } else {
+        hasMoreItems = false;
+      }
+    } catch (error) {
+      if (error instanceof AxiosError) {
+        throw new BadRequestError({
+          message: `Failed to fetch data from ${apiUrl}: ${error.message || "Unknown error"}`
+        });
+      }
+      throw error;
+    }
+  }
+
+  return allItems;
+}
+
+async function fetchOrgProjects(orgId: string, apiToken: string): Promise<VercelApp[]> {
+  return fetchAllPages<VercelApp>(
+    `${IntegrationUrls.VERCEL_API_URL}/v9/projects`,
+    apiToken,
+    { teamId: orgId },
+    "projects"
+  );
+}
+
+async function fetchProjectEnvironments(projectId: string, apiToken: string): Promise<VercelEnvironment[]> {
+  return fetchAllPages<VercelEnvironment>(
+    `${IntegrationUrls.VERCEL_API_URL}/v9/projects/${projectId}/custom-environments`,
+    apiToken,
+    {},
+    "environments"
+  );
+}
+
+async function fetchPreviewBranches(projectId: string, apiToken: string): Promise<string[]> {
+  const { data } = await request.get<TVercelBranches[]>(
+    `${IntegrationUrls.VERCEL_API_URL}/v1/integrations/git-branches`,
+    {
+      params: {
+        projectId
+      },
+      headers: {
+        Authorization: `Bearer ${apiToken}`,
+        "Accept-Encoding": "application/json"
+      }
+    }
+  );
+  return data.map((b) => b.ref);
+}
+
+type VercelTeam = {
+  id: string;
+  name: string;
+  slug: string;
+};
+
+type VercelUserResponse = {
+  user: {
+    id: string;
+    name: string;
+    username: string;
+  };
+};
+
+export const listProjects = async (appConnection: TVercelConnectionInput): Promise<VercelOrgWithApps[]> => {
+  const { credentials } = appConnection;
+  const { apiToken } = credentials;
+
+  const orgs = await fetchAllPages<VercelTeam>(`${IntegrationUrls.VERCEL_API_URL}/v2/teams`, apiToken, {}, "teams");
+
+  const personalAccountResponse = await request.get<VercelUserResponse>(`${IntegrationUrls.VERCEL_API_URL}/v2/user`, {
+    headers: {
+      Authorization: `Bearer ${apiToken}`,
+      "Accept-Encoding": "application/json"
+    }
+  });
+
+  if (personalAccountResponse?.data?.user) {
+    const { user } = personalAccountResponse.data;
+    orgs.push({
+      id: user.id,
+      name: user.name || "Personal Account",
+      slug: user.username || "personal"
+    });
+  }
+
+  const orgsWithApps: VercelOrgWithApps[] = [];
+
+  const orgPromises = orgs.map(async (org) => {
+    try {
+      const projects = await fetchOrgProjects(org.id, apiToken);
+
+      const enhancedProjectsPromises = projects.map(async (project) => {
+        try {
+          const [environments, previewBranches] = await Promise.all([
+            fetchProjectEnvironments(project.id, apiToken),
+            fetchPreviewBranches(project.id, apiToken)
+          ]);
+
+          return {
+            name: project.name,
+            id: project.id,
+            envs: environments,
+            previewBranches
+          };
+        } catch (error) {
+          return {
+            name: project.name,
+            id: project.id,
+            envs: [],
+            previewBranches: []
+          };
+        }
+      });
+
+      const enhancedProjects = await Promise.all(enhancedProjectsPromises);
+
+      return {
+        ...org,
+        apps: enhancedProjects
+      };
+    } catch (error) {
+      return null;
+    }
+  });
+
+  const results = await Promise.all(orgPromises);
+
+  results.forEach((result) => {
+    if (result !== null) {
+      orgsWithApps.push(result);
+    }
+  });
+
+  return orgsWithApps;
+};
+
+export const getProjectEnvironmentVariables = (project: VercelApp): Record<string, string> => {
+  const envVars: Record<string, string> = {};
+
+  if (!project.envs) return envVars;
+
+  project.envs.forEach((env) => {
+    if (env.value && env.type !== "gitBranch") {
+      const { key, value } = env;
+      envVars[key] = value;
+    }
+  });
+
+  return envVars;
+};