Initial commit

2025-03-06 12:24:20 +01:00
commit 7f3cefdc22
37 changed files with 6581 additions and 0 deletions
--- a/src/pipelines/notif.ts
+++ b/src/pipelines/notif.ts
@@ -0,0 +1,151 @@
+import { PipelineStage, Types } from "mongoose"
+
+function userNotif(uname: string) {
+  var pipeline: PipelineStage[] = [
+    {
+      "$match": {
+        uname: uname
+      }
+    }
+  ]
+  return pipeline
+}
+
+function roomNotif(room: number) {
+  var pipeline: PipelineStage[] = [
+    {
+      $lookup: {
+        from: "logins",
+        localField: "uname",
+        foreignField: "uname",
+        as: "user",
+      },
+    },
+    {
+      $unwind: {
+        path: "$user",
+        preserveNullAndEmptyArrays: false,
+      },
+    },
+    {
+      $addFields: {
+        rooms: "$user.room",
+      },
+    },
+    {
+      $match:
+        {
+          rooms: room,
+        },
+    },
+    {
+      $unset:
+        ["user", "uname", "rooms"],
+    },
+  ]
+  return pipeline
+}
+
+function allNotif() {
+  var pipeline: PipelineStage[] = [
+    {
+      $lookup: {
+        from: "logins",
+        localField: "uname",
+        foreignField: "uname",
+        as: "user",
+      },
+    },
+    {
+      $unwind: {
+        path: "$user",
+        preserveNullAndEmptyArrays: false,
+      },
+    },
+    {
+      $addFields: {
+        rooms: "$user.room",
+      },
+    },
+    {
+      $match:
+        {
+          rooms: {$exists: true},
+        },
+    },
+    {
+      $unset:
+        ["user", "uname", "rooms"],
+    },
+  ]
+  return pipeline
+}
+
+function groupNotif(group: string) {
+  var pipeline: PipelineStage[] = [
+    {
+      $match:
+        {
+          _id: new Types.ObjectId(group)
+        }
+    },
+    {
+      $graphLookup:
+        {
+          from: "logins",
+          startWith: "$rooms",
+          connectFromField: "rooms",
+          connectToField: "room",
+          as: "logins",
+        },
+    },
+    {
+      $set: {
+        unames: {
+          $function: {
+            body: "function (arg, arg2) { if (!arg2) arg2 = []; return [...arg2,...arg.map((s) => s.uname)];}",
+            args: ["$logins", "$unames"],
+            lang: "js",
+          },
+        },
+      },
+    },
+    {
+      $unwind:
+        {
+          path: "$unames",
+        },
+    },
+    {
+      $graphLookup:
+        {
+          from: "notifications",
+          startWith: "$unames",
+          connectFromField: "unames",
+          connectToField: "uname",
+          as: "notif",
+        },
+    },
+    {
+      $project:
+        {
+          notif: 1,
+        },
+    },
+    {
+      $unwind:
+        {
+          path: "$notif",
+        },
+    },
+    {
+      $replaceRoot:
+        {
+          newRoot: "$notif",
+        },
+    },
+  ]
+  return pipeline
+}
+
+export { userNotif, roomNotif, allNotif, groupNotif }