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9.5 KiB
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9.5 KiB
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{"version":3,"file":"entity-repository.mjs","sources":["../../src/entity-manager/entity-repository.ts"],"sourcesContent":["import { isString } from 'lodash/fp';\nimport type { Database } from '..';\nimport type { Repository, Params } from './types';\n\nconst withDefaultPagination = (params: Params) => {\n const { page = 1, pageSize = 10, ...rest } = params;\n\n return {\n page: Number(page),\n pageSize: Number(pageSize),\n ...rest,\n };\n};\n\ntype ParamsWithLimits = Omit<Params, 'page' | 'pageSize'> & {\n limit: number;\n offset: number;\n};\n\nconst withOffsetLimit = (\n params: Params\n): [ParamsWithLimits, { page: number; pageSize: number }] => {\n const { page, pageSize, ...rest } = withDefaultPagination(params);\n\n const offset = Math.max(page - 1, 0) * pageSize;\n const limit = pageSize;\n\n const query = {\n ...rest,\n limit,\n offset,\n };\n\n return [query, { page, pageSize }];\n};\n\nexport const createRepository = (uid: string, db: Database): Repository => {\n return {\n findOne(params = {}) {\n return db.entityManager.findOne(uid, params);\n },\n\n findMany(params = {}) {\n return db.entityManager.findMany(uid, params);\n },\n\n findWithCount(params = {}) {\n return Promise.all([\n db.entityManager.findMany(uid, params),\n db.entityManager.count(uid, params),\n ]);\n },\n\n async findPage(params) {\n const [query, { page, pageSize }] = withOffsetLimit(params);\n\n const [results, total] = await Promise.all([\n db.entityManager.findMany(uid, query),\n db.entityManager.count(uid, query),\n ]);\n\n return {\n results,\n pagination: {\n page,\n pageSize,\n pageCount: Math.ceil(total / pageSize),\n total,\n },\n };\n },\n\n create(params) {\n return db.entityManager.create(uid, params);\n },\n\n createMany(params) {\n return db.entityManager.createMany(uid, params);\n },\n\n update(params) {\n return db.entityManager.update(uid, params);\n },\n\n updateMany(params) {\n return db.entityManager.updateMany(uid, params);\n },\n\n delete(params) {\n return db.entityManager.delete(uid, params);\n },\n\n deleteMany(params = {}) {\n return db.entityManager.deleteMany(uid, params);\n },\n\n count(params) {\n return db.entityManager.count(uid, params);\n },\n\n attachRelations(id, data) {\n return db.entityManager.attachRelations(uid, id, data);\n },\n\n async updateRelations(id, data) {\n const trx = await db.transaction();\n try {\n await db.entityManager.updateRelations(uid, id, data, { transaction: trx.get() });\n return await trx.commit();\n } catch (e) {\n await trx.rollback();\n throw e;\n }\n },\n\n deleteRelations(id) {\n return db.entityManager.deleteRelations(uid, id);\n },\n\n populate(entity, populate) {\n return db.entityManager.populate(uid, entity, populate);\n },\n\n load(entity, fields, params) {\n return db.entityManager.load(uid, entity, fields, params);\n },\n\n async loadPages(entity, field, params) {\n if (!isString(field)) {\n throw new Error(`Invalid load. Expected ${field} to be a string`);\n }\n\n const { attributes } = db.metadata.get(uid);\n const attribute = attributes[field];\n\n if (\n !attribute ||\n attribute.type !== 'relation' ||\n !attribute.relation ||\n !['oneToMany', 'manyToMany'].includes(attribute.relation)\n ) {\n throw new Error(`Invalid load. Expected ${field} to be an anyToMany relational attribute`);\n }\n\n const [query, { page, pageSize }] = withOffsetLimit(params);\n\n const [results, { count: total }] = await Promise.all([\n db.entityManager.load(uid, entity, field, query),\n db.entityManager.load(uid, entity, field, { ...query, count: true }),\n ]);\n\n return {\n results,\n pagination: {\n page,\n pageSize,\n pageCount: Math.ceil(total / pageSize),\n total,\n },\n };\n },\n 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