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261 changes: 153 additions & 108 deletions app/api/projects/[id]/route.ts
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Original file line number Diff line number Diff line change
@@ -1,112 +1,157 @@
export const dynamic = 'force-dynamic'

import { NextRequest, NextResponse } from 'next/server'
import { withAuth } from '@/lib/auth/middleware'
import { sql } from '@/lib/db'

export const GET = withAuth(async (request: NextRequest, auth) => {
const id = request.nextUrl.pathname.split('/').pop()

const userRows = await sql<{ id: string }[]>`
SELECT id FROM users WHERE wallet_address = ${auth.walletAddress} LIMIT 1
`
if (!userRows.length) return NextResponse.json({ error: 'User not found' }, { status: 404 })

const projectRows = await sql<any[]>`
SELECT
p.id,
p.client_id,
p.title,
p.description,
p.status,
p.budget_max,
p.currency,
p.deadline,
p.created_at,
c.id AS contract_id,
c.total_amount AS contract_total_amount,
c.escrow_address AS contract_escrow_address,
c.escrow_status AS contract_escrow_status,
c.status AS contract_status,
c.funded_at AS contract_funded_at,
c.funding_tx_hash AS contract_funding_tx_hash,
-- client info
u_client.display_name AS client_display_name,
u_client.username AS client_username,
u_client.avatar_url AS client_avatar_url,
u_client.wallet_address AS client_wallet_address,
-- freelancer info
u_freelancer.display_name AS freelancer_display_name,
u_freelancer.username AS freelancer_username,
u_freelancer.avatar_url AS freelancer_avatar_url,
u_freelancer.wallet_address AS freelancer_wallet_address,
u_freelancer.avg_rating AS freelancer_avg_rating,
u_freelancer.total_reviews AS freelancer_total_reviews
FROM projects p
LEFT JOIN contracts c ON c.project_id = p.id
LEFT JOIN users u_client ON p.client_id = u_client.id
LEFT JOIN users u_freelancer ON c.freelancer_id = u_freelancer.id
WHERE p.id = ${id} AND (p.client_id = ${userRows[0].id} OR c.freelancer_id = ${userRows[0].id})
LIMIT 1
`
if (!projectRows.length) return NextResponse.json({ error: 'Project not found' }, { status: 404 })

const milestones = await sql<{
id: string; title: string; description: string | null; amount: string
currency: string; due_date: string | null; status: string; sort_order: number
}[]>`
SELECT id, title, description, amount, currency, due_date, status, sort_order
FROM milestones WHERE project_id = ${id} ORDER BY sort_order ASC, created_at ASC
`

const project = projectRows[0]
const hasEscrow = !!project.contract_id
const escrowStatus = project.contract_escrow_status
const escrowTotal = project.contract_total_amount ? parseFloat(project.contract_total_amount) : 0

let escrowFundedAmount = 0
if (escrowStatus === 'funded' || escrowStatus === 'partially_released' || escrowStatus === 'fully_released') {
escrowFundedAmount = escrowTotal
// app/api/projects/[id]/route.ts
//
// GET /api/projects/:id — fetch a single project
// PATCH /api/projects/:id — partial update
// DELETE /api/projects/:id — soft/hard delete

import { NextRequest, NextResponse } from "next/server";
import { z } from "zod";
import {
getProjectById,
updateProject,
deleteProject,
type ProjectStatus,
} from "@/lib/projects";

// ─── Shared ID validation ──────────────────────────────────────────────────

const UUIDSchema = z.string().uuid();

function parseId(raw: string): { id: string } | { error: NextResponse } {
const result = UUIDSchema.safeParse(raw);
if (!result.success) {
return {
error: NextResponse.json(
{ error: "Project ID must be a valid UUID" },
{ status: 400 },
),
};
}
return { id: result.data };
}

// ─── PATCH validation schema ───────────────────────────────────────────────

const PROJECT_STATUS = ["open", "in_progress", "completed", "cancelled"] as const;

const UpdateProjectSchema = z
.object({
title: z
.string()
.min(1, "title cannot be empty")
.max(200, "title must be 200 characters or fewer")
.optional(),
description: z
.string()
.max(2000, "description must be 2000 characters or fewer")
.nullable()
.optional(),
budgetUsdc: z
.number()
.positive("budgetUsdc must be a positive number")
.multipleOf(0.0000001, "budgetUsdc supports up to 7 decimal places")
.optional(),
status: z.enum(PROJECT_STATUS).optional(),
milestoneCount: z
.number()
.int("milestoneCount must be an integer")
.min(0)
.optional(),
})
.refine((data) => Object.keys(data).length > 0, {
message: "At least one field must be provided for an update",
});

// ─── Route context type (Next.js 15 App Router) ───────────────────────────

interface RouteContext {
params: Promise<{ id: string }>;
}

// ─── GET /api/projects/:id ─────────────────────────────────────────────────

export async function GET(
_req: NextRequest,
context: RouteContext,
) {
const { id: rawId } = await context.params;
const parsed = parseId(rawId);
if ("error" in parsed) return parsed.error;

try {
const project = await getProjectById(parsed.id);
if (!project) {
return NextResponse.json({ error: "Project not found" }, { status: 404 });
}
return NextResponse.json(project);
} catch (err) {
console.error(`[GET /api/projects/${parsed.id}]`, err);
return NextResponse.json({ error: "Failed to fetch project" }, { status: 500 });
}
}

// ─── PATCH /api/projects/:id ───────────────────────────────────────────────

export async function PATCH(
req: NextRequest,
context: RouteContext,
) {
const { id: rawId } = await context.params;
const idParsed = parseId(rawId);
if ("error" in idParsed) return idParsed.error;

let body: unknown;
try {
body = await req.json();
} catch {
return NextResponse.json(
{ error: "Request body must be valid JSON" },
{ status: 400 },
);
}

const escrowReleasedAmount = milestones
.filter(m => m.status === 'paid')
.reduce((sum, m) => sum + parseFloat(m.amount), 0)

const responseProject = {
id: project.id,
title: project.title,
description: project.description,
status: project.status,
budget_max: project.budget_max,
currency: project.currency,
deadline: project.deadline,
created_at: project.created_at,
client: {
display_name: project.client_display_name,
username: project.client_username,
avatar_url: project.client_avatar_url,
wallet_address: project.client_wallet_address
},
freelancer: project.freelancer_wallet_address ? {
display_name: project.freelancer_display_name,
username: project.freelancer_username,
avatar_url: project.freelancer_avatar_url,
wallet_address: project.freelancer_wallet_address,
avg_rating: project.freelancer_avg_rating ? parseFloat(project.freelancer_avg_rating) : 0,
total_reviews: project.freelancer_total_reviews ? parseInt(project.freelancer_total_reviews) : 0
} : null,
escrow: hasEscrow ? {
escrow_address: project.contract_escrow_address,
escrow_status: project.contract_escrow_status,
funded_at: project.contract_funded_at,
funding_tx_hash: project.contract_funding_tx_hash,
total_amount: project.contract_total_amount,
funded_amount: escrowFundedAmount,
released_amount: escrowReleasedAmount,
progress_percent: escrowFundedAmount > 0 ? Math.round((escrowReleasedAmount / escrowFundedAmount) * 100) : 0
} : null
const parsed = UpdateProjectSchema.safeParse(body);
if (!parsed.success) {
return NextResponse.json(
{ error: "Validation failed", details: parsed.error.flatten().fieldErrors },
{ status: 422 },
);
}

return NextResponse.json({ project: responseProject, milestones })
})
try {
const updated = await updateProject(idParsed.id, {
...parsed.data,
status: parsed.data.status as ProjectStatus | undefined,
description: parsed.data.description ?? undefined,
});
if (!updated) {
return NextResponse.json({ error: "Project not found" }, { status: 404 });
}
return NextResponse.json(updated);
} catch (err) {
console.error(`[PATCH /api/projects/${idParsed.id}]`, err);
return NextResponse.json({ error: "Failed to update project" }, { status: 500 });
}
}

// ─── DELETE /api/projects/:id ──────────────────────────────────────────────

export async function DELETE(
_req: NextRequest,
context: RouteContext,
) {
const { id: rawId } = await context.params;
const parsed = parseId(rawId);
if ("error" in parsed) return parsed.error;

try {
const deleted = await deleteProject(parsed.id);
if (!deleted) {
return NextResponse.json({ error: "Project not found" }, { status: 404 });
}
return new NextResponse(null, { status: 204 });
} catch (err) {
console.error(`[DELETE /api/projects/${parsed.id}]`, err);
return NextResponse.json({ error: "Failed to delete project" }, { status: 500 });
}
}
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