Implement parallel processing with retry logic for repository mirroring and syncing operations

src/lib/gitea.ts

@@ -601,11 +601,22 @@ export async function mirrorGitHubOrgToGitea({
       .from(repositories)
       .where(eq(repositories.organization, organization.name));
 
-    for (const repo of orgRepos) {
-      await mirrorGitHubRepoToGiteaOrg({
-        octokit,
-        config,
-        repository: {
+    if (orgRepos.length === 0) {
+      console.log(`No repositories found for organization ${organization.name}`);
+      return;
+    }
+
+    console.log(`Mirroring ${orgRepos.length} repositories for organization ${organization.name}`);
+
+    // Import the processWithRetry function
+    const { processWithRetry } = await import("@/lib/utils/concurrency");
+
+    // Process repositories in parallel with concurrency control
+    await processWithRetry(
+      orgRepos,
+      async (repo) => {
+        // Prepare repository data
+        const repoData = {
           ...repo,
           status: repo.status as RepoStatus,
           visibility: repo.visibility as RepositoryVisibility,
@@ -614,11 +625,37 @@ export async function mirrorGitHubOrgToGitea({
           organization: repo.organization ?? undefined,
           forkedFrom: repo.forkedFrom ?? undefined,
           mirroredLocation: repo.mirroredLocation || "",
+        };
+
+        // Log the start of mirroring
+        console.log(`Starting mirror for repository: ${repo.name} in organization ${organization.name}`);
+
+        // Mirror the repository
+        await mirrorGitHubRepoToGiteaOrg({
+          octokit,
+          config,
+          repository: repoData,
+          giteaOrgId,
+          orgName: organization.name,
+        });
+
+        return repo;
+      },
+      {
+        concurrencyLimit: 3, // Process 3 repositories at a time
+        maxRetries: 2,
+        retryDelay: 2000,
+        onProgress: (completed, total, result) => {
+          const percentComplete = Math.round((completed / total) * 100);
+          if (result) {
+            console.log(`Mirrored repository "${result.name}" in organization ${organization.name} (${completed}/${total}, ${percentComplete}%)`);
+          }
         },
-        giteaOrgId,
-        orgName: organization.name,
-      });
-    }
+        onRetry: (repo, error, attempt) => {
+          console.log(`Retrying repository ${repo.name} in organization ${organization.name} (attempt ${attempt}): ${error.message}`);
+        }
+      }
+    );
 
     console.log(`Organization ${organization.name} mirrored successfully`);
 
@@ -837,7 +874,15 @@ export const mirrorGitRepoIssuesToGitea = async ({
     (res) => res.data
   );
 
-  console.log(`Mirroring ${issues.length} issues from ${repository.fullName}`);
+  // Filter out pull requests
+  const filteredIssues = issues.filter(issue => !(issue as any).pull_request);
+
+  console.log(`Mirroring ${filteredIssues.length} issues from ${repository.fullName}`);
+
+  if (filteredIssues.length === 0) {
+    console.log(`No issues to mirror for ${repository.fullName}`);
+    return;
+  }
 
   // Get existing labels from Gitea
   const giteaLabelsRes = await superagent
@@ -851,58 +896,60 @@ export const mirrorGitRepoIssuesToGitea = async ({
     giteaLabels.map((label: any) => [label.name, label.id])
   );
 
-  for (const issue of issues) {
-    if ((issue as any).pull_request) {
-      continue;
-    }
+  // Import the processWithRetry function
+  const { processWithRetry } = await import("@/lib/utils/concurrency");
 
-    const githubLabelNames =
-      issue.labels
-        ?.map((l) => (typeof l === "string" ? l : l.name))
-        .filter((l): l is string => !!l) || [];
+  // Process issues in parallel with concurrency control
+  await processWithRetry(
+    filteredIssues,
+    async (issue) => {
+      const githubLabelNames =
+        issue.labels
+          ?.map((l) => (typeof l === "string" ? l : l.name))
+          .filter((l): l is string => !!l) || [];
 
-    const giteaLabelIds: number[] = [];
+      const giteaLabelIds: number[] = [];
 
-    // Resolve or create labels in Gitea
-    for (const name of githubLabelNames) {
-      if (labelMap.has(name)) {
-        giteaLabelIds.push(labelMap.get(name)!);
-      } else {
-        try {
-          const created = await superagent
-            .post(
-              `${config.giteaConfig.url}/api/v1/repos/${repoOrigin}/${repository.name}/labels`
-            )
-            .set("Authorization", `token ${config.giteaConfig.token}`)
-            .send({ name, color: "#ededed" }); // Default color
+      // Resolve or create labels in Gitea
+      for (const name of githubLabelNames) {
+        if (labelMap.has(name)) {
+          giteaLabelIds.push(labelMap.get(name)!);
+        } else {
+          try {
+            const created = await superagent
+              .post(
+                `${config.giteaConfig.url}/api/v1/repos/${repoOrigin}/${repository.name}/labels`
+              )
+              .set("Authorization", `token ${config.giteaConfig.token}`)
+              .send({ name, color: "#ededed" }); // Default color
 
-          labelMap.set(name, created.body.id);
-          giteaLabelIds.push(created.body.id);
-        } catch (labelErr) {
-          console.error(
-            `Failed to create label "${name}" in Gitea: ${labelErr}`
-          );
+            labelMap.set(name, created.body.id);
+            giteaLabelIds.push(created.body.id);
+          } catch (labelErr) {
+            console.error(
+              `Failed to create label "${name}" in Gitea: ${labelErr}`
+            );
+          }
         }
       }
-    }
 
-    const originalAssignees =
-      issue.assignees && issue.assignees.length > 0
-        ? `\n\nOriginally assigned to: ${issue.assignees
-            .map((a) => `@${a.login}`)
-            .join(", ")} on GitHub.`
-        : "";
+      const originalAssignees =
+        issue.assignees && issue.assignees.length > 0
+          ? `\n\nOriginally assigned to: ${issue.assignees
+              .map((a) => `@${a.login}`)
+              .join(", ")} on GitHub.`
+          : "";
 
-    const issuePayload: any = {
-      title: issue.title,
-      body: `Originally created by @${
-        issue.user?.login
-      } on GitHub.${originalAssignees}\n\n${issue.body || ""}`,
-      closed: issue.state === "closed",
-      labels: giteaLabelIds,
-    };
+      const issuePayload: any = {
+        title: issue.title,
+        body: `Originally created by @${
+          issue.user?.login
+        } on GitHub.${originalAssignees}\n\n${issue.body || ""}`,
+        closed: issue.state === "closed",
+        labels: giteaLabelIds,
+      };
 
-    try {
+      // Create the issue in Gitea
       const createdIssue = await superagent
         .post(
           `${config.giteaConfig.url}/api/v1/repos/${repoOrigin}/${repository.name}/issues`
@@ -922,41 +969,49 @@ export const mirrorGitRepoIssuesToGitea = async ({
         (res) => res.data
       );
 
-      for (const comment of comments) {
-        try {
-          await superagent
-            .post(
-              `${config.giteaConfig.url}/api/v1/repos/${repoOrigin}/${repository.name}/issues/${createdIssue.body.number}/comments`
-            )
-            .set("Authorization", `token ${config.giteaConfig.token}`)
-            .send({
-              body: `@${comment.user?.login} commented on GitHub:\n\n${comment.body}`,
-            });
-        } catch (commentErr) {
-          console.error(
-            `Failed to copy comment to Gitea for issue "${issue.title}": ${
-              commentErr instanceof Error
-                ? commentErr.message
-                : String(commentErr)
-            }`
-          );
-        }
+      // Process comments in parallel with concurrency control
+      if (comments.length > 0) {
+        await processWithRetry(
+          comments,
+          async (comment) => {
+            await superagent
+              .post(
+                `${config.giteaConfig.url}/api/v1/repos/${repoOrigin}/${repository.name}/issues/${createdIssue.body.number}/comments`
+              )
+              .set("Authorization", `token ${config.giteaConfig.token}`)
+              .send({
+                body: `@${comment.user?.login} commented on GitHub:\n\n${comment.body}`,
+              });
+            return comment;
+          },
+          {
+            concurrencyLimit: 5,
+            maxRetries: 2,
+            retryDelay: 1000,
+            onRetry: (comment, error, attempt) => {
+              console.log(`Retrying comment (attempt ${attempt}): ${error.message}`);
+            }
+          }
+        );
       }
-    } catch (err) {
-      if (err instanceof Error && (err as any).response) {
-        console.error(
-          `Failed to create issue "${issue.title}" in Gitea: ${err.message}`
-        );
-        console.error(
-          `Response body: ${JSON.stringify((err as any).response.body)}`
-        );
-      } else {
-        console.error(
-          `Failed to create issue "${issue.title}" in Gitea: ${
-            err instanceof Error ? err.message : String(err)
-          }`
-        );
+
+      return issue;
+    },
+    {
+      concurrencyLimit: 3, // Process 3 issues at a time
+      maxRetries: 2,
+      retryDelay: 2000,
+      onProgress: (completed, total, result) => {
+        const percentComplete = Math.round((completed / total) * 100);
+        if (result) {
+          console.log(`Mirrored issue "${result.title}" (${completed}/${total}, ${percentComplete}%)`);
+        }
+      },
+      onRetry: (issue, error, attempt) => {
+        console.log(`Retrying issue "${issue.title}" (attempt ${attempt}): ${error.message}`);
       }
     }
-  }
+  );
+
+  console.log(`Completed mirroring ${filteredIssues.length} issues for ${repository.fullName}`);
 };

src/lib/utils/concurrency.ts

@@ -0,0 +1,122 @@
+/**
+ * Utility for processing items in parallel with concurrency control
+ * 
+ * @param items Array of items to process
+ * @param processItem Function to process each item
+ * @param concurrencyLimit Maximum number of concurrent operations
+ * @param onProgress Optional callback for progress updates
+ * @returns Promise that resolves when all items are processed
+ */
+export async function processInParallel<T, R>(
+  items: T[],
+  processItem: (item: T) => Promise<R>,
+  concurrencyLimit: number = 5,
+  onProgress?: (completed: number, total: number, result?: R) => void
+): Promise<R[]> {
+  const results: R[] = [];
+  let completed = 0;
+  const total = items.length;
+
+  // Process items in batches to control concurrency
+  for (let i = 0; i < total; i += concurrencyLimit) {
+    const batch = items.slice(i, i + concurrencyLimit);
+    
+    const batchPromises = batch.map(async (item) => {
+      try {
+        const result = await processItem(item);
+        completed++;
+        
+        if (onProgress) {
+          onProgress(completed, total, result);
+        }
+        
+        return result;
+      } catch (error) {
+        completed++;
+        
+        if (onProgress) {
+          onProgress(completed, total);
+        }
+        
+        throw error;
+      }
+    });
+
+    // Wait for the current batch to complete before starting the next batch
+    const batchResults = await Promise.allSettled(batchPromises);
+    
+    // Process results and handle errors
+    for (const result of batchResults) {
+      if (result.status === 'fulfilled') {
+        results.push(result.value);
+      } else {
+        console.error('Error processing item:', result.reason);
+      }
+    }
+  }
+
+  return results;
+}
+
+/**
+ * Utility for processing items in parallel with automatic retry for failed operations
+ * 
+ * @param items Array of items to process
+ * @param processItem Function to process each item
+ * @param options Configuration options
+ * @returns Promise that resolves when all items are processed
+ */
+export async function processWithRetry<T, R>(
+  items: T[],
+  processItem: (item: T) => Promise<R>,
+  options: {
+    concurrencyLimit?: number;
+    maxRetries?: number;
+    retryDelay?: number;
+    onProgress?: (completed: number, total: number, result?: R) => void;
+    onRetry?: (item: T, error: Error, attempt: number) => void;
+  } = {}
+): Promise<R[]> {
+  const {
+    concurrencyLimit = 5,
+    maxRetries = 3,
+    retryDelay = 1000,
+    onProgress,
+    onRetry
+  } = options;
+
+  // Wrap the process function with retry logic
+  const processWithRetryLogic = async (item: T): Promise<R> => {
+    let lastError: Error | null = null;
+    
+    for (let attempt = 1; attempt <= maxRetries + 1; attempt++) {
+      try {
+        return await processItem(item);
+      } catch (error) {
+        lastError = error instanceof Error ? error : new Error(String(error));
+        
+        if (attempt <= maxRetries) {
+          if (onRetry) {
+            onRetry(item, lastError, attempt);
+          }
+          
+          // Exponential backoff
+          const delay = retryDelay * Math.pow(2, attempt - 1);
+          await new Promise(resolve => setTimeout(resolve, delay));
+        } else {
+          throw lastError;
+        }
+      }
+    }
+    
+    // This should never be reached due to the throw in the catch block
+    throw lastError || new Error('Unknown error occurred');
+  };
+
+  return processInParallel(
+    items,
+    processWithRetryLogic,
+    concurrencyLimit,
+    onProgress
+  );
+}

src/pages/api/job/mirror-org.ts

@@ -6,6 +6,8 @@ import { createGitHubClient } from "@/lib/github";
 import { mirrorGitHubOrgToGitea } from "@/lib/gitea";
 import { repoStatusEnum } from "@/types/Repository";
 import { type MembershipRole } from "@/types/organizations";
+import { processWithRetry } from "@/lib/utils/concurrency";
+import { createMirrorJob } from "@/lib/helpers";
 
 export const POST: APIRoute = async ({ request }) => {
   try {
@@ -61,31 +63,73 @@ export const POST: APIRoute = async ({ request }) => {
       );
     }
 
-    // Fire async mirroring without blocking response
+    // Fire async mirroring without blocking response, using parallel processing
     setTimeout(async () => {
-      for (const org of orgs) {
-        if (!config.githubConfig.token) {
-          throw new Error("GitHub token is missing in config.");
-        }
+      if (!config.githubConfig.token) {
+        throw new Error("GitHub token is missing in config.");
+      }
 
-        const octokit = createGitHubClient(config.githubConfig.token);
+      // Create a single Octokit instance to be reused
+      const octokit = createGitHubClient(config.githubConfig.token);
 
-        try {
+      // Define the concurrency limit - adjust based on API rate limits
+      // Using a lower concurrency for organizations since each org might contain many repos
+      const CONCURRENCY_LIMIT = 2;
+
+      // Process organizations in parallel with retry capability
+      await processWithRetry(
+        orgs,
+        async (org) => {
+          // Prepare organization data
+          const orgData = {
+            ...org,
+            status: repoStatusEnum.parse("imported"),
+            membershipRole: org.membershipRole as MembershipRole,
+            lastMirrored: org.lastMirrored ?? undefined,
+            errorMessage: org.errorMessage ?? undefined,
+          };
+
+          // Log the start of mirroring
+          console.log(`Starting mirror for organization: ${org.name}`);
+
+          // Create a mirror job entry to track progress
+          await createMirrorJob({
+            userId: config.userId || "",
+            organizationId: org.id,
+            organizationName: org.name,
+            message: `Started mirroring organization: ${org.name}`,
+            details: `Organization ${org.name} is now in the mirroring queue.`,
+            status: "mirroring",
+          });
+
+          // Mirror the organization
           await mirrorGitHubOrgToGitea({
             config,
             octokit,
-            organization: {
-              ...org,
-              status: repoStatusEnum.parse("imported"),
-              membershipRole: org.membershipRole as MembershipRole,
-              lastMirrored: org.lastMirrored ?? undefined,
-              errorMessage: org.errorMessage ?? undefined,
-            },
+            organization: orgData,
           });
-        } catch (error) {
-          console.error(`Mirror failed for organization ${org.name}:`, error);
+
+          return org;
+        },
+        {
+          concurrencyLimit: CONCURRENCY_LIMIT,
+          maxRetries: 2,
+          retryDelay: 3000,
+          onProgress: (completed, total, result) => {
+            const percentComplete = Math.round((completed / total) * 100);
+            console.log(`Organization mirroring progress: ${percentComplete}% (${completed}/${total})`);
+
+            if (result) {
+              console.log(`Successfully mirrored organization: ${result.name}`);
+            }
+          },
+          onRetry: (org, error, attempt) => {
+            console.log(`Retrying organization ${org.name} (attempt ${attempt}): ${error.message}`);
+          }
         }
-      }
+      );
+
+      console.log("All organization mirroring tasks completed");
     }, 0);
 
     const responsePayload: MirrorOrgResponse = {

src/pages/api/job/mirror-repo.ts

@@ -8,6 +8,8 @@ import {
   mirrorGitHubOrgRepoToGiteaOrg,
 } from "@/lib/gitea";
 import { createGitHubClient } from "@/lib/github";
+import { processWithRetry } from "@/lib/utils/concurrency";
+import { createMirrorJob } from "@/lib/helpers";
 
 export const POST: APIRoute = async ({ request }) => {
   try {
@@ -63,52 +65,84 @@ export const POST: APIRoute = async ({ request }) => {
       );
     }
 
-    // Start async mirroring in background
+    // Start async mirroring in background with parallel processing
     setTimeout(async () => {
-      for (const repo of repos) {
-        if (!config.githubConfig.token) {
-          throw new Error("GitHub token is missing.");
-        }
+      if (!config.githubConfig.token) {
+        throw new Error("GitHub token is missing.");
+      }
 
-        const octokit = createGitHubClient(config.githubConfig.token);
+      // Create a single Octokit instance to be reused
+      const octokit = createGitHubClient(config.githubConfig.token);
 
-        try {
+      // Define the concurrency limit - adjust based on API rate limits
+      const CONCURRENCY_LIMIT = 3;
+
+      // Process repositories in parallel with retry capability
+      await processWithRetry(
+        repos,
+        async (repo) => {
+          // Prepare repository data
+          const repoData = {
+            ...repo,
+            status: repoStatusEnum.parse("imported"),
+            organization: repo.organization ?? undefined,
+            lastMirrored: repo.lastMirrored ?? undefined,
+            errorMessage: repo.errorMessage ?? undefined,
+            forkedFrom: repo.forkedFrom ?? undefined,
+            visibility: repositoryVisibilityEnum.parse(repo.visibility),
+            mirroredLocation: repo.mirroredLocation || "",
+          };
+
+          // Log the start of mirroring
+          console.log(`Starting mirror for repository: ${repo.name}`);
+
+          // Create a mirror job entry to track progress
+          await createMirrorJob({
+            userId: config.userId || "",
+            repositoryId: repo.id,
+            repositoryName: repo.name,
+            message: `Started mirroring repository: ${repo.name}`,
+            details: `Repository ${repo.name} is now in the mirroring queue.`,
+            status: "mirroring",
+          });
+
+          // Mirror the repository based on whether it's in an organization
           if (repo.organization && config.githubConfig.preserveOrgStructure) {
             await mirrorGitHubOrgRepoToGiteaOrg({
               config,
               octokit,
               orgName: repo.organization,
-              repository: {
-                ...repo,
-                status: repoStatusEnum.parse("imported"),
-                organization: repo.organization ?? undefined,
-                lastMirrored: repo.lastMirrored ?? undefined,
-                errorMessage: repo.errorMessage ?? undefined,
-                forkedFrom: repo.forkedFrom ?? undefined,
-                visibility: repositoryVisibilityEnum.parse(repo.visibility),
-                mirroredLocation: repo.mirroredLocation || "",
-              },
+              repository: repoData,
             });
           } else {
             await mirrorGithubRepoToGitea({
               octokit,
-              repository: {
-                ...repo,
-                status: repoStatusEnum.parse("imported"),
-                organization: repo.organization ?? undefined,
-                lastMirrored: repo.lastMirrored ?? undefined,
-                errorMessage: repo.errorMessage ?? undefined,
-                forkedFrom: repo.forkedFrom ?? undefined,
-                visibility: repositoryVisibilityEnum.parse(repo.visibility),
-                mirroredLocation: repo.mirroredLocation || "",
-              },
+              repository: repoData,
               config,
             });
           }
-        } catch (error) {
-          console.error(`Mirror failed for repo ${repo.name}:`, error);
+
+          return repo;
+        },
+        {
+          concurrencyLimit: CONCURRENCY_LIMIT,
+          maxRetries: 2,
+          retryDelay: 2000,
+          onProgress: (completed, total, result) => {
+            const percentComplete = Math.round((completed / total) * 100);
+            console.log(`Mirroring progress: ${percentComplete}% (${completed}/${total})`);
+
+            if (result) {
+              console.log(`Successfully mirrored repository: ${result.name}`);
+            }
+          },
+          onRetry: (repo, error, attempt) => {
+            console.log(`Retrying repository ${repo.name} (attempt ${attempt}): ${error.message}`);
+          }
         }
-      }
+      );
+
+      console.log("All repository mirroring tasks completed");
     }, 0);
 
     const responsePayload: MirrorRepoResponse = {

src/pages/api/job/retry-repo.ts

@@ -10,6 +10,8 @@ import {
 import { createGitHubClient } from "@/lib/github";
 import { repoStatusEnum, repositoryVisibilityEnum } from "@/types/Repository";
 import type { RetryRepoRequest, RetryRepoResponse } from "@/types/retry";
+import { processWithRetry } from "@/lib/utils/concurrency";
+import { createMirrorJob } from "@/lib/helpers";
 
 export const POST: APIRoute = async ({ request }) => {
   try {
@@ -65,10 +67,21 @@ export const POST: APIRoute = async ({ request }) => {
       );
     }
 
-    // Start background retry
+    // Start background retry with parallel processing
     setTimeout(async () => {
-      for (const repo of repos) {
-        try {
+      // Create a single Octokit instance to be reused if needed
+      const octokit = config.githubConfig.token
+        ? createGitHubClient(config.githubConfig.token)
+        : null;
+
+      // Define the concurrency limit - adjust based on API rate limits
+      const CONCURRENCY_LIMIT = 3;
+
+      // Process repositories in parallel with retry capability
+      await processWithRetry(
+        repos,
+        async (repo) => {
+          // Prepare repository data
           const visibility = repositoryVisibilityEnum.parse(repo.visibility);
           const status = repoStatusEnum.parse(repo.status);
           const repoData = {
@@ -81,6 +94,20 @@ export const POST: APIRoute = async ({ request }) => {
             forkedFrom: repo.forkedFrom ?? undefined,
           };
 
+          // Log the start of retry operation
+          console.log(`Starting retry for repository: ${repo.name}`);
+
+          // Create a mirror job entry to track progress
+          await createMirrorJob({
+            userId: config.userId || "",
+            repositoryId: repo.id,
+            repositoryName: repo.name,
+            message: `Started retry operation for repository: ${repo.name}`,
+            details: `Repository ${repo.name} is now in the retry queue.`,
+            status: "imported",
+          });
+
+          // Determine if the repository exists in Gitea
           let owner = getGiteaRepoOwner({
             config,
             repository: repoData,
@@ -93,16 +120,21 @@ export const POST: APIRoute = async ({ request }) => {
           });
 
           if (present) {
+            // If the repository exists, sync it
             await syncGiteaRepo({ config, repository: repoData });
             console.log(`Synced existing repo: ${repo.name}`);
           } else {
+            // If the repository doesn't exist, mirror it
             if (!config.githubConfig.token) {
               throw new Error("GitHub token is missing.");
             }
 
+            if (!octokit) {
+              throw new Error("Octokit client is not initialized.");
+            }
+
             console.log(`Importing repo: ${repo.name} ${owner}`);
 
-            const octokit = createGitHubClient(config.githubConfig.token);
             if (repo.organization && config.githubConfig.preserveOrgStructure) {
               await mirrorGitHubOrgRepoToGiteaOrg({
                 config,
@@ -124,10 +156,28 @@ export const POST: APIRoute = async ({ request }) => {
               });
             }
           }
-        } catch (err) {
-          console.error(`Failed to retry repo ${repo.name}:`, err);
+
+          return repo;
+        },
+        {
+          concurrencyLimit: CONCURRENCY_LIMIT,
+          maxRetries: 2,
+          retryDelay: 2000,
+          onProgress: (completed, total, result) => {
+            const percentComplete = Math.round((completed / total) * 100);
+            console.log(`Retry progress: ${percentComplete}% (${completed}/${total})`);
+
+            if (result) {
+              console.log(`Successfully processed repository: ${result.name}`);
+            }
+          },
+          onRetry: (repo, error, attempt) => {
+            console.log(`Retrying repository ${repo.name} (attempt ${attempt}): ${error.message}`);
+          }
         }
-      }
+      );
+
+      console.log("All repository retry tasks completed");
     }, 0);
 
     const responsePayload: RetryRepoResponse = {

src/pages/api/job/sync-repo.ts

@@ -5,6 +5,8 @@ import { eq, inArray } from "drizzle-orm";
 import { repositoryVisibilityEnum, repoStatusEnum } from "@/types/Repository";
 import { syncGiteaRepo } from "@/lib/gitea";
 import type { SyncRepoResponse } from "@/types/sync";
+import { processWithRetry } from "@/lib/utils/concurrency";
+import { createMirrorJob } from "@/lib/helpers";
 
 export const POST: APIRoute = async ({ request }) => {
   try {
@@ -60,26 +62,66 @@ export const POST: APIRoute = async ({ request }) => {
       );
     }
 
-    // Start async mirroring in background
+    // Start async mirroring in background with parallel processing
     setTimeout(async () => {
-      for (const repo of repos) {
-        try {
+      // Define the concurrency limit - adjust based on API rate limits
+      const CONCURRENCY_LIMIT = 5;
+
+      // Process repositories in parallel with retry capability
+      await processWithRetry(
+        repos,
+        async (repo) => {
+          // Prepare repository data
+          const repoData = {
+            ...repo,
+            status: repoStatusEnum.parse(repo.status),
+            organization: repo.organization ?? undefined,
+            lastMirrored: repo.lastMirrored ?? undefined,
+            errorMessage: repo.errorMessage ?? undefined,
+            forkedFrom: repo.forkedFrom ?? undefined,
+            visibility: repositoryVisibilityEnum.parse(repo.visibility),
+          };
+
+          // Log the start of syncing
+          console.log(`Starting sync for repository: ${repo.name}`);
+
+          // Create a mirror job entry to track progress
+          await createMirrorJob({
+            userId: config.userId || "",
+            repositoryId: repo.id,
+            repositoryName: repo.name,
+            message: `Started syncing repository: ${repo.name}`,
+            details: `Repository ${repo.name} is now in the syncing queue.`,
+            status: "syncing",
+          });
+
+          // Sync the repository
           await syncGiteaRepo({
             config,
-            repository: {
-              ...repo,
-              status: repoStatusEnum.parse(repo.status),
-              organization: repo.organization ?? undefined,
-              lastMirrored: repo.lastMirrored ?? undefined,
-              errorMessage: repo.errorMessage ?? undefined,
-              forkedFrom: repo.forkedFrom ?? undefined,
-              visibility: repositoryVisibilityEnum.parse(repo.visibility),
-            },
+            repository: repoData,
           });
-        } catch (error) {
-          console.error(`Sync failed for repo ${repo.name}:`, error);
+
+          return repo;
+        },
+        {
+          concurrencyLimit: CONCURRENCY_LIMIT,
+          maxRetries: 2,
+          retryDelay: 2000,
+          onProgress: (completed, total, result) => {
+            const percentComplete = Math.round((completed / total) * 100);
+            console.log(`Syncing progress: ${percentComplete}% (${completed}/${total})`);
+
+            if (result) {
+              console.log(`Successfully synced repository: ${result.name}`);
+            }
+          },
+          onRetry: (repo, error, attempt) => {
+            console.log(`Retrying sync for repository ${repo.name} (attempt ${attempt}): ${error.message}`);
+          }
         }
-      }
+      );
+
+      console.log("All repository syncing tasks completed");
     }, 0);
 
     const responsePayload: SyncRepoResponse = {