feat: add endpoint to get tg group by tag

Author: lorenzocorallo

package.json

@@ -1,6 +1,6 @@
 {
   "name": "backend",
-  "version": "0.15.17",
+  "version": "0.15.18",
   "description": "PoliNetwork backend server",
   "private": true,
   "keywords": [],

package/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@polinetwork/backend",
-  "version": "0.15.17",
+  "version": "0.15.18",
   "description": "Utils to interact with the backend.",
   "repository": {
     "type": "git",

src/routers/tg/groups.ts

@@ -4,6 +4,7 @@ import { DB, SCHEMA } from "@/db"
 import { logger } from "@/logger"
 import { WSS } from "@/server"
 import { createTRPCRouter, publicProcedure } from "@/trpc"
+import { lower } from "@/utils/db"
 
 const GROUPS = SCHEMA.TG.groups
 export default createTRPCRouter({
@@ -84,6 +85,22 @@ export default createTRPCRouter({
       return res[0]
     }),
 
+  getByTag: publicProcedure
+    .input(
+      z.object({
+        tag: z.string(),
+      })
+    )
+    .query(async ({ input }) => {
+      const res = await DB.select()
+        .from(GROUPS)
+        .limit(1)
+        .where((t) => eq(lower(t.tag), input.tag.toLowerCase().replace("@", "")))
+
+      if (res.length === 0) return null
+      return res[0]
+    }),
+
   create: publicProcedure
     .input(
       z.array(

src/utils/db.ts

@@ -1,5 +1,5 @@
 import { type SQL, sql } from "drizzle-orm"
-import type { PgTableWithColumns, TableConfig } from "drizzle-orm/pg-core"
+import type { AnyPgColumn, PgTableWithColumns, TableConfig } from "drizzle-orm/pg-core"
 
 type ColNames<TC extends TableConfig> = Readonly<(keyof TC["columns"])[]>
 type SetSQL<TC extends TableConfig> = Partial<Record<ColNames<TC>[number], SQL<unknown>>>
@@ -13,3 +13,7 @@ export function upsertMultipleSetSql<TC extends TableConfig>(
     return acc
   }, {})
 }
+
+export function lower(column: AnyPgColumn): SQL {
+  return sql`lower(${column})`
+}