From 7bf0984698e43b9aa2dd879f65951318ed410390 Mon Sep 17 00:00:00 2001
From: Maze <167211895+mazeincoding@users.noreply.github.com>
Date: Sat, 31 Jan 2026 00:20:04 +0100
Subject: codebase overhaul (#697)

---
 apps/web/src/app/api/transcribe/route.ts | 189 -------------------------------
 1 file changed, 189 deletions(-)
 delete mode 100644 apps/web/src/app/api/transcribe/route.ts

(limited to 'apps/web/src/app/api/transcribe')

diff --git a/apps/web/src/app/api/transcribe/route.ts b/apps/web/src/app/api/transcribe/route.ts
deleted file mode 100644
index 9a497f65..00000000
--- a/apps/web/src/app/api/transcribe/route.ts
+++ /dev/null
@@ -1,189 +0,0 @@
-import { NextRequest, NextResponse } from "next/server";
-import { z } from "zod";
-import { env } from "@/env";
-import { baseRateLimit } from "@/lib/rate-limit";
-import { isTranscriptionConfigured } from "@/lib/transcription-utils";
-
-const transcribeRequestSchema = z.object({
-  filename: z.string().min(1, "Filename is required"),
-  language: z.string().optional().default("auto"),
-  decryptionKey: z.string().min(1, "Decryption key is required").optional(),
-  iv: z.string().min(1, "IV is required").optional(),
-});
-
-const modalResponseSchema = z.object({
-  text: z.string(),
-  segments: z.array(
-    z.object({
-      id: z.number(),
-      seek: z.number(),
-      start: z.number(),
-      end: z.number(),
-      text: z.string(),
-      tokens: z.array(z.number()),
-      temperature: z.number(),
-      avg_logprob: z.number(),
-      compression_ratio: z.number(),
-      no_speech_prob: z.number(),
-    })
-  ),
-  language: z.string(),
-});
-
-const apiResponseSchema = z.object({
-  text: z.string(),
-  segments: z.array(
-    z.object({
-      id: z.number(),
-      seek: z.number(),
-      start: z.number(),
-      end: z.number(),
-      text: z.string(),
-      tokens: z.array(z.number()),
-      temperature: z.number(),
-      avg_logprob: z.number(),
-      compression_ratio: z.number(),
-      no_speech_prob: z.number(),
-    })
-  ),
-  language: z.string(),
-});
-
-export async function POST(request: NextRequest) {
-  try {
-    // Rate limiting
-    const ip = request.headers.get("x-forwarded-for") ?? "anonymous";
-    const { success } = await baseRateLimit.limit(ip);
-    const origin = request.headers.get("origin");
-
-    if (!success) {
-      return NextResponse.json({ error: "Too many requests" }, { status: 429 });
-    }
-
-    // Check transcription configuration
-    const transcriptionCheck = isTranscriptionConfigured();
-    if (!transcriptionCheck.configured) {
-      console.error(
-        "Missing environment variables:",
-        JSON.stringify(transcriptionCheck.missingVars)
-      );
-
-      return NextResponse.json(
-        {
-          error: "Transcription not configured",
-          message: `Auto-captions require environment variables: ${transcriptionCheck.missingVars.join(", ")}. Check README for setup instructions.`,
-        },
-        { status: 503 }
-      );
-    }
-
-    // Parse and validate request body
-    const rawBody = await request.json().catch(() => null);
-    if (!rawBody) {
-      return NextResponse.json(
-        { error: "Invalid JSON in request body" },
-        { status: 400 }
-      );
-    }
-
-    const validationResult = transcribeRequestSchema.safeParse(rawBody);
-    if (!validationResult.success) {
-      return NextResponse.json(
-        {
-          error: "Invalid request parameters",
-          details: validationResult.error.flatten().fieldErrors,
-        },
-        { status: 400 }
-      );
-    }
-
-    const { filename, language, decryptionKey, iv } = validationResult.data;
-
-    // Prepare request body for Modal
-    const modalRequestBody: any = {
-      filename,
-      language,
-    };
-
-    // Add encryption parameters if provided (zero-knowledge)
-    if (decryptionKey && iv) {
-      modalRequestBody.decryptionKey = decryptionKey;
-      modalRequestBody.iv = iv;
-    }
-
-    // Call Modal transcription service
-    const response = await fetch(env.MODAL_TRANSCRIPTION_URL, {
-      method: "POST",
-      headers: {
-        "Content-Type": "application/json",
-      },
-      body: JSON.stringify(modalRequestBody),
-    });
-
-    if (!response.ok) {
-      const errorText = await response.text();
-      console.error("Modal API error:", response.status, errorText);
-
-      let errorMessage = "Transcription service unavailable";
-      try {
-        const errorData = JSON.parse(errorText);
-        errorMessage = errorData.error || errorMessage;
-      } catch {
-        // Use default message if parsing fails
-      }
-
-      return NextResponse.json(
-        {
-          error: errorMessage,
-          message: "Failed to process transcription request",
-        },
-        { status: response.status >= 500 ? 502 : response.status }
-      );
-    }
-
-    const rawResult = await response.json();
-    console.log("Raw Modal response:", JSON.stringify(rawResult, null, 2));
-
-    // Validate Modal response
-    const modalValidation = modalResponseSchema.safeParse(rawResult);
-    if (!modalValidation.success) {
-      console.error("Invalid Modal API response:", modalValidation.error);
-      return NextResponse.json(
-        { error: "Invalid response from transcription service" },
-        { status: 502 }
-      );
-    }
-
-    const result = modalValidation.data;
-
-    // Prepare and validate API response
-    const responseData = {
-      text: result.text,
-      segments: result.segments,
-      language: result.language,
-    };
-
-    const responseValidation = apiResponseSchema.safeParse(responseData);
-    if (!responseValidation.success) {
-      console.error(
-        "Invalid API response structure:",
-        responseValidation.error
-      );
-      return NextResponse.json(
-        { error: "Internal response formatting error" },
-        { status: 500 }
-      );
-    }
-
-    return NextResponse.json(responseValidation.data);
-  } catch (error) {
-    console.error("Transcription API error:", error);
-    return NextResponse.json(
-      {
-        error: "Internal server error",
-        message: "An unexpected error occurred during transcription",
-      },
-      { status: 500 }
-    );
-  }
-}
-- 
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