Add 'packages/backend/' from commit 'acce648ee5e7e3a3006451e637c0db654820cc48'

git-subtree-dir: packages/backend
git-subtree-mainline: d0babd62af
git-subtree-split: acce648ee5

packages/backend/src/db/queries/issues.ts

@@ -0,0 +1,59 @@
+import { eq, sql, and } from "drizzle-orm";
+import { db } from "../client";
+import { Issue } from "../schema";
+
+export async function createIssue(projectId: number, title: string, description: string) {
+    // prevents two issues with the same unique number
+    return await db.transaction(async (tx) => {
+        // raw sql for speed
+        // most recent issue from project
+        const [lastIssue] = await tx
+            .select({ max: sql<number>`MAX(${Issue.number})` })
+            .from(Issue)
+            .where(eq(Issue.projectId, projectId));
+
+        const nextNumber = (lastIssue?.max || 0) + 1;
+
+        // 2. create new issue
+        const [newIssue] = await tx
+            .insert(Issue)
+            .values({
+                projectId,
+                title,
+                description,
+                number: nextNumber,
+            })
+            .returning();
+
+        return newIssue;
+    });
+}
+
+export async function deleteIssue(id: number) {
+    return await db.delete(Issue).where(eq(Issue.id, id));
+}
+
+export async function updateIssue(id: number, updates: { title?: string; description?: string }) {
+    return await db.update(Issue).set(updates).where(eq(Issue.id, id)).returning();
+}
+
+export async function getIssues() {
+    return await db.select().from(Issue);
+}
+
+export async function getIssuesByProject(projectId: number) {
+    return await db.select().from(Issue).where(eq(Issue.projectId, projectId));
+}
+
+export async function getIssueByID(id: number) {
+    const [issue] = await db.select().from(Issue).where(eq(Issue.id, id));
+    return issue;
+}
+
+export async function getIssueByNumber(projectId: number, number: number) {
+    const [issue] = await db
+        .select()
+        .from(Issue)
+        .where(and(eq(Issue.projectId, projectId), eq(Issue.number, number)));
+    return issue;
+}