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Finish sort logic

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rijkvanzanten
2020-08-21 12:05:53 -06:00
parent a7e0ebfc11
commit 3d656e2d68
1 changed files with 22 additions and 1 deletions
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23
api/src/services/utils.ts
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@@ -13,7 +13,7 @@ export default class UtilsService {
this.accountability = options?.accountability || null;
}
async sort(collection: string, { from, to }: { from: PrimaryKey, to: PrimaryKey }) {
async sort(collection: string, { item, to }: { item: PrimaryKey, to: PrimaryKey }) {
const schemaInspector = SchemaInspector(this.knex);
const sortFieldResponse = await this.knex
@@ -58,6 +58,27 @@ export default class UtilsService {
}
}
const targetSortValueResponse = await this.knex.select(sortField).from(collection).where({ [primaryKeyField]: to }).first();
const targetSortValue = targetSortValueResponse[sortField];
const sourceSortValueResponse = await this.knex.select(sortField).from(collection).where({ [primaryKeyField]: item }).first();
const sourceSortValue = sourceSortValueResponse[sortField];
// Set the target item to the new sort value
await this.knex(collection).update({ [sortField]: targetSortValue }).where({ [primaryKeyField]: item });
if (sourceSortValue < targetSortValue) {
await this.knex(collection)
.decrement(sortField, 1)
.where(sortField, '>', sourceSortValue)
.andWhere(sortField, '<=', targetSortValue)
.andWhereNot({ [primaryKeyField]: item });
} else {
await this.knex(collection)
.increment(sortField, 1)
.where(sortField, '>=', targetSortValue)
.andWhere(sortField, '<=', sourceSortValue)
.andWhereNot({ [primaryKeyField]: item });
}
}
}