Fixed 267U.pre2

2026-07-26 18:25:37 +09:00
parent 50bfaeafdf
commit 317d00a284
1286 changed files with 80222 additions and 1 deletions
@@ -0,0 +1,56 @@
+import { generatePaginationData } from "../middleware/pagination.js";
+export class PaginationHelpers {
+    static makePaginationQuery(q, sinceId, maxId, minId, idField = `${q.alias}.id`) {
+        if (sinceId && minId) throw new Error("Can't user both sinceId and minId params");
+        if (sinceId && maxId) {
+            q.andWhere(`${idField} > :sinceId`, {
+                sinceId: sinceId
+            });
+            q.andWhere(`${idField} < :maxId`, {
+                maxId: maxId
+            });
+            q.orderBy(`${idField}`, "DESC");
+        }
+        if (minId && maxId) {
+            q.andWhere(`${idField} > :minId`, {
+                minId: minId
+            });
+            q.andWhere(`${idField} < :maxId`, {
+                maxId: maxId
+            });
+            q.orderBy(`${idField}`, "ASC");
+        } else if (sinceId) {
+            q.andWhere(`${idField} > :sinceId`, {
+                sinceId: sinceId
+            });
+            q.orderBy(`${idField}`, "DESC");
+        } else if (minId) {
+            q.andWhere(`${idField} > :minId`, {
+                minId: minId
+            });
+            q.orderBy(`${idField}`, "ASC");
+        } else if (maxId) {
+            q.andWhere(`${idField} < :maxId`, {
+                maxId: maxId
+            });
+            q.orderBy(`${idField}`, "DESC");
+        } else {
+            q.orderBy(`${idField}`, "DESC");
+        }
+        return q;
+    }
+    /**
+     *
+     * @param query
+     * @param limit
+     * @param reverse whether the result needs to be .reverse()'d. Set this to true when the parameter minId is not undefined in the original request.
+     */ static async execQuery(query, limit, reverse) {
+        return query.take(limit).getMany().then((found)=>reverse ? found.reverse() : found);
+    }
+    static async execQueryLinkPagination(query, limit, reverse, ctx) {
+        return this.execQuery(query, limit, reverse).then((p)=>{
+            ctx.pagination = generatePaginationData(p.map((x)=>x.id), limit);
+            return p;
+        });
+    }
+}