@react-native-agconnect/clouddb/src/AGCCloudDBQuery.js

React Native AGC CloudDB

/*
 * Copyright (c) Huawei Technologies Co., Ltd. 2021-2021. All rights reserved.
 */

import { NativeModules } from 'react-native';
const { AGCCloudDBModule } = NativeModules;

export default class AGCCloudDBQuery {
    static CloudDBZoneQueryPolicy = {
        POLICY_QUERY_DEFAULT: AGCCloudDBModule.CloudDBZoneQueryPolicy.POLICY_QUERY_DEFAULT,
        POLICY_QUERY_FROM_CLOUD_ONLY: AGCCloudDBModule.CloudDBZoneQueryPolicy.POLICY_QUERY_FROM_CLOUD_ONLY,
        POLICY_QUERY_FROM_LOCAL_ONLY: AGCCloudDBModule.CloudDBZoneQueryPolicy.POLICY_QUERY_FROM_LOCAL_ONLY,
    }

    constructor(className) {
        this.queryMap = {
            className: className,
            queryElements: [],
        }
    }

    static where(className) {
        return new AGCCloudDBQuery(className);
    }

    equalTo(fieldName, value) {
        this.queryMap.queryElements.push({
            operation: this.equalTo.name,
            fieldName: fieldName,
            value: value,
        })
        return this
    }

    notEqualTo(fieldName, value) {
        this.queryMap.queryElements.push({
            operation: this.notEqualTo.name,
            fieldName: fieldName,
            value: value,
        })
        return this
    }

    greaterThan(fieldName, value) {
        this.queryMap.queryElements.push({
            operation: this.greaterThan.name,
            fieldName: fieldName,
            value: value,
        })
        return this
    }

    greaterThanOrEqualTo(fieldName, value) {
        this.queryMap.queryElements.push({
            operation: this.greaterThanOrEqualTo.name,
            fieldName: fieldName,
            value: value,
        })
        return this
    }

    lessThan(fieldName, value) {
        this.queryMap.queryElements.push({
            operation: this.lessThan.name,
            fieldName: fieldName,
            value: value,
        })
        return this
    }

    lessThanOrEqualTo(fieldName, value) {
        this.queryMap.queryElements.push({
            operation: this.lessThanOrEqualTo.name,
            fieldName: fieldName,
            value: value,
        })
        return this
    }

    in(fieldName, value) {
        this.queryMap.queryElements.push({
            operation: this.in.name,
            fieldName: fieldName,
            value: value,
        })
        return this
    }

    beginsWith(fieldName, value) {
        this.queryMap.queryElements.push({
            operation: this.beginsWith.name,
            fieldName: fieldName,
            value: value,
        })
        return this
    }

    endsWith(fieldName, value) {
        this.queryMap.queryElements.push({
            operation: this.endsWith.name,
            fieldName: fieldName,
            value: value,
        })
        return this
    }

    contains(fieldName, value) {
        this.queryMap.queryElements.push({
            operation: this.contains.name,
            fieldName: fieldName,
            value: value,
        })
        return this
    }

    isNull(fieldName) {
        this.queryMap.queryElements.push({
            operation: this.isNull.name,
            fieldName: fieldName,
        })
        return this
    }

    isNotNull(fieldName) {
        this.queryMap.queryElements.push({
            operation: this.isNotNull.name,
            fieldName: fieldName,
        })
        return this
    }

    orderByAsc(fieldName) {
        this.queryMap.queryElements.push({
            operation: this.orderByAsc.name,
            fieldName: fieldName,
        })
        return this
    }

    orderByDesc(fieldName) {
        this.queryMap.queryElements.push({
            operation: this.orderByDesc.name,
            fieldName: fieldName,
        })
        return this
    }

    limit(count, offset) {
        if (offset) {
            this.queryMap.queryElements.push({
                operation: this.limit.name,
                value: count,
                offset: offset
            })
            return this
        } else {
            this.queryMap.queryElements.push({
                operation: this.limit.name,
                value: count,
            })
            return this
        }
    }

    startAt(object) {
        this.queryMap.queryElements.push({
            operation: this.startAt.name,
            value: object
        })
        return this
    }

    startAfter(object) {
        this.queryMap.queryElements.push({
            operation: this.startAfter.name,
            value: object
        })
        return this
    }

    endAt(object) {
        this.queryMap.queryElements.push({
            operation: this.endAt.name,
            value: object
        })
        return this
    }

    endBefore(object) {
        this.queryMap.queryElements.push({
            operation: this.endBefore.name,
            value: object
        })
        return this
    }

    build() {
        Object.freeze(this);
        return this;
    }
}