s202226701049/AIart-app/src/lib/community_ncloud.ts

/*export interface Pointer {
    __type: string;
    className: string;
    objectId?: string; // 这里保持 objectId 作为可选字段
    //QuestionnaireId?: string; // 自定义主键
    //QuestionId?: string; // 自定义主键
    //OptionId?: string; // 自定义主键
    //_UserId?: string; // 自定义主键
}

export class CloudObject {
    id: string | null = null; // 数据库生成的 objectId
    className: string;
    createdAt: string | null = null;
    updatedAt: string | null = null;
    data: Record<string, any> = {};

    // 新增的自定义主键
    QuestionnaireId?: string;
    QuestionId?: string;
    OptionId?: string;
    _UserId?: string;

    constructor(className: string) {
        this.className = className;
    }

    toPointer(): Pointer {
        // 使用自定义主键生成指针
        let pointer: Pointer = { "__type": "Pointer", "className": this.className };

        // 根据类名设置相应的 ID
        switch (this.className) {
            case "Questionnaire":
                pointer.objectId = this.QuestionnaireId || "";
                break;
            case "Question":
                pointer.objectId = this.QuestionId || "";
                break;
            case "Option":
                pointer.objectId = this.OptionId || "";
                break;
            case "_User":
                pointer.objectId = this._UserId || "";
                break;
            default:
                pointer.objectId = this.id || ""; // 保持 objectId 作为后备
        }

        return pointer;
    }

    set(json: Record<string, any>) {
        Object.keys(json).forEach(key => {
            if (["objectId", "id", "createdAt", "updatedAt", "ACL"].includes(key)) {
                return;
            }
            this.data[key] = json[key];
        });
    }

    get(key: string) {
        return this.data[key] || null;
    }

    async save(): Promise<this> {
        let method = "POST";
        let url = `http://dev.fmode.cn:1337/parse/classes/${this.className}`;

        // 更新
        if (this.id) {
            url += `/${this.id}`;
            method = "PUT";
        }

        const body = JSON.stringify(this.data);
        const response = await fetch(url, {
            headers: {
                "content-type": "application/json;charset=UTF-8",
                "x-parse-application-id": "dev"
            },
            body: body,
            method: method,
            mode: "cors",
            credentials: "omit"
        });

        const result = await response.json();
        if (result?.error) {
            console.error(result.error);
        }
        if (result?.objectId) {
            this.id = result.objectId;
        }
        return this;
    }

    async destroy(): Promise<boolean> {
        if (!this.id) return false;
        const response = await fetch(`http://dev.fmode.cn:1337/parse/classes/${this.className}/${this.id}`, {
            headers: {
                "x-parse-application-id": "dev"
            },
            method: "DELETE",
            mode: "cors",
            credentials: "omit"
        });
        const result = await response.json();
        if (result) {
            this.id = null;
        }
        return true;
    }
}

export class CloudQuery {
    className: string;
    whereOptions: Record<string, any> = {};

    constructor(className: string) {
        this.className = className;
    }

    greaterThan(key: string, value: any) {
        if (!this.whereOptions[key]) this.whereOptions[key] = {};
        this.whereOptions[key]["$gt"] = value;
        return this;
    }

    greaterThanAndEqualTo(key: string, value: any) {
        if (!this.whereOptions[key]) this.whereOptions[key] = {};
        this.whereOptions[key]["$gte"] = value;
        return this;
    }

    lessThan(key: string, value: any) {
        if (!this.whereOptions[key]) this.whereOptions[key] = {};
        this.whereOptions[key]["$lt"] = value;
        return this;
    }

    lessThanAndEqualTo(key: string, value: any) {
        if (!this.whereOptions[key]) this.whereOptions[key] = {};
        this.whereOptions[key]["$lte"] = value;
        return this;
    }

    equalTo(key: string, value: any) {
        this.whereOptions[key] = value;
        return this;
    }

    async get(id: string): Promise<Record<string, any>> {
        const url = `http://dev.fmode.cn:1337/parse/classes/${this.className}/${id}`;
        const response = await fetch(url, {
            headers: {
                "x-parse-application-id": "dev"
            },
            method: "GET",
            mode: "cors",
            credentials: "omit"
        });
        const json = await response.json();
        return json || {};
    }

    async find(): Promise<CloudObject[]> {
        let url = `http://dev.fmode.cn:1337/parse/classes/${this.className}?`;

        if (Object.keys(this.whereOptions).length) {
            const whereStr = JSON.stringify(this.whereOptions);
            url += `where=${encodeURIComponent(whereStr)}`;
        }

        const response = await fetch(url, {
            headers: {
                "x-parse-application-id": "dev"
            },
            method: "GET",
            mode: "cors",
            credentials: "omit"
        });
        const json = await response.json();
        return json?.results.map((item: any) => {
            const cloudObject = new CloudObject(this.className);
            cloudObject.set(item);
            cloudObject.id = item.objectId;
            cloudObject.createdAt = item.createdAt;
            cloudObject.updatedAt = item.updatedAt;
            return cloudObject;
        }) || [];
    }

    async first(): Promise<CloudObject | null> {
        let url = `http://dev.fmode.cn:1337/parse/classes/${this.className}?`;

        if (Object.keys(this.whereOptions).length) {
            const whereStr = JSON.stringify(this.whereOptions);
            url += `where=${encodeURIComponent(whereStr)}&limit=1`;
        } else {
            url += `limit=1`;
        }

        const response = await fetch(url, {
            headers: {
                "x-parse-application-id": "dev"
            },
            method: "GET",
            mode: "cors",
            credentials: "omit"
        });
        const json = await response.json();
        const exists = json?.results?.[0] || null;
        if (exists) {
            const cloudObject = new CloudObject(this.className);
            cloudObject.set(exists);
            cloudObject.id = exists.objectId;
            cloudObject.createdAt = exists.createdAt;
            cloudObject.updatedAt = exists.updatedAt;
            return cloudObject;
        }
        return null;
    }
}*/
// CloudObject.ts
export interface Pointer {
    __type: string;
    className: string;
    objectId?: string; // 这里保持 objectId 作为可选字段
}
export class CloudObject {
    id: string | null = null;
    className: string;
    data: Record<string, any> = {};
    createdAt: string | null = null;
    updatedAt: string | null = null;

    constructor(className: string) {
        this.className = className;
    }

    toPointer() {
        return { "__type": "Pointer", "className": this.className, "objectId": this.id };
    }

    set(json: Record<string, any>) {
        Object.keys(json).forEach(key => {
            if (["objectId", "id", "createdAt", "updatedAt", "ACL"].includes(key)) {
                if (key === "updatedAt") {
                    this.updatedAt = json[key];  // 特别处理 updatedAt 字段
                }
                return;
            }
            this.data[key] = json[key];
        });
    }

    get(key: string) {
        return this.data[key] || null;
    }

    async save(): Promise<CloudObject> {
        let method = "POST";
        let url = `http://dev.fmode.cn:1337/parse/classes/${this.className}`;

        // 更新
        if (this.id) {
            url += `/${this.id}`;
            method = "PUT";
        }

        const body = JSON.stringify(this.data);
        const response = await fetch(url, {
            headers: {
                "Content-Type": "application/json;charset=UTF-8",
                "x-parse-application-id": "dev"
            },
            body,
            method,
            mode: "cors",
            credentials: "omit"
        });

        const result = await response.json();
        if (result?.error) {
            console.error(result.error);
        }
        if (result?.objectId) {
            this.id = result.objectId;
        }
        return this;
    }

    async destroy(): Promise<boolean> {
        if (!this.id) return false;

        const response = await fetch(`http://dev.fmode.cn:1337/parse/classes/${this.className}/${this.id}`, {
            headers: {
                "x-parse-application-id": "dev"
            },
            method: "DELETE",
            mode: "cors",
            credentials: "omit"
        });

        const result = await response?.json();
        if (result) {
            this.id = null;
        }
        return true;
    }
}

// CloudQuery.ts
export class CloudQuery {
    className: string;
    whereOptions: Record<string, any> = {};

    constructor(className: string) {
        this.className = className;
    }

    greaterThan(key: string, value: any) {
        this.whereOptions[key] = { "$gt": value };
    }

    greaterThanAndEqualTo(key: string, value: any) {
        this.whereOptions[key] = { "$gte": value };
    }

    lessThan(key: string, value: any) {
        this.whereOptions[key] = { "$lt": value };
    }

    lessThanAndEqualTo(key: string, value: any) {
        this.whereOptions[key] = { "$lte": value };
    }

    equalTo(key: string, value: any) {
        this.whereOptions[key] = value;
    }

    containedIn(key: string, valueArray: any[]) {
        this.whereOptions[key] = { "$in": valueArray };
    }

    /**
     * 实现 startsWith 方法
     * @param key 要匹配的字段
     * @param prefix 匹配的前缀字符串
     */
    startsWith(key: string, prefix: string) {
        if (typeof prefix !== 'string') {
            throw new Error('The prefix must be a string.');
        }

        // 添加 $regex 条件进行前缀匹配
        this.whereOptions[key] = { "$regex": `^${prefix}` };
    }

    async get(id: string): Promise<Record<string, any>> {
        const url = `http://dev.fmode.cn:1337/parse/classes/${this.className}/${id}?`;

        const response = await fetch(url, {
            headers: {
                "if-none-match": "W/\"1f0-ghxH2EwTk6Blz0g89ivf2adBDKY\"",
                "x-parse-application-id": "dev"
            },
            method: "GET",
            mode: "cors",
            credentials: "omit"
        });

        const json = await response.json();
        return json || {};
    }

    async find(): Promise<CloudObject[]> {
        let url = `http://dev.fmode.cn:1337/parse/classes/${this.className}?`;

        if (Object.keys(this.whereOptions).length) {
            const whereStr = JSON.stringify(this.whereOptions);
            url += `where=${encodeURIComponent(whereStr)}`;
        }

        const response = await fetch(url, {
            headers: {
                "if-none-match": "W/\"1f0-ghxH2EwTk6Blz0g89ivf2BDKY\"",
                "x-parse-application-id": "dev"
            },
            method: "GET",
            mode: "cors",
            credentials: "omit"
        });

        const json = await response.json();
        return json?.results.map((item: any) => {
            const cloudObject = new CloudObject(this.className);
            cloudObject.set(item);
            cloudObject.id = item.objectId;
            // 提取 updatedAt 字段并存储在其他地方（例如，直接存入数据或作为额外字段返回）
            const updatedAt = item.updatedAt; // 提取 updatedAt 字段
            cloudObject.data['updatedAt'] = updatedAt; // 或者将其放在一个独立的变量中，取决于需求
            return cloudObject;
        }) || [];
    }

    async first(): Promise<CloudObject | null> {
        let url = `http://dev.fmode.cn:1337/parse/classes/${this.className}?`;

        if (Object.keys(this.whereOptions).length) {
            const whereStr = JSON.stringify(this.whereOptions);
            url += `where=${encodeURIComponent(whereStr)}`;
        }

        const response = await fetch(url, {
            headers: {
                "if-none-match": "W/\"1f0-ghxH2EwTk6Blz0g89ivf2adBDKY\"",
                "x-parse-application-id": "dev"
            },
            method: "GET",
            mode: "cors",
            credentials: "omit"
        });

        const json = await response.json();
        const exists = json?.results?.[0] || null;
        if (exists) {
            const existsObject = new CloudObject(this.className);
            existsObject.set(exists);
            existsObject.id = exists.objectId;
            existsObject.createdAt = exists.createdAt;
            existsObject.updatedAt = exists.updatedAt;
            return existsObject;
        }
        return null;
    }
}
// CloudUser.ts
export class CloudUser extends CloudObject {
    constructor() {
        super("_User"); // 假设用户类在Parse中是"_User"
        // 读取用户缓存信息
        let userCacheStr = localStorage.getItem("NCloud/dev/User")
        if (userCacheStr) {
            let userData = JSON.parse(userCacheStr)
            // 设置用户信息
            this.id = userData?.objectId;
            this.sessionToken = userData?.sessionToken;
            this.data = userData; // 保存用户数据
        }
    }

    sessionToken: string | null = ""
    /** 获取当前用户信息 */
    async current() {
        if (!this.sessionToken) {
            console.error("用户未登录");
            return null;
        }
        return this;
        // const response = await fetch(`http://dev.fmode.cn:1337/parse/users/me`, {
        //     headers: {
        //         "x-parse-application-id": "dev",
        //         "x-parse-session-token": this.sessionToken // 使用sessionToken进行身份验证
        //     },
        //     method: "GET"
        // });

        // const result = await response?.json();
        // if (result?.error) {
        //     console.error(result?.error);
        //     return null;
        // }
        // return result;
    }

    /** 登录 */
    async login(username: string, password: string): Promise<CloudUser | null> {
        const response = await fetch(`http://dev.fmode.cn:1337/parse/login`, {
            headers: {
                "x-parse-application-id": "dev",
                "Content-Type": "application/json"
            },
            body: JSON.stringify({ username, password }),
            method: "POST"
        });

        const result = await response?.json();
        if (result?.error) {
            console.error(result?.error);
            return null;
        }

        // 设置用户信息
        this.id = result?.objectId;
        this.sessionToken = result?.sessionToken;
        this.data = result; // 保存用户数据
        // 缓存用户信息
        console.log(result)
        localStorage.setItem("NCloud/dev/User", JSON.stringify(result))
        return this;
    }

    /** 登出 */
    async logout() {
        if (!this.sessionToken) {
            console.error("用户未登录");
            return;
        }

        const response = await fetch(`http://dev.fmode.cn:1337/parse/logout`, {
            headers: {
                "x-parse-application-id": "dev",
                "x-parse-session-token": this.sessionToken
            },
            method: "POST"
        });

        const result = await response?.json();
        if (result?.error) {
            console.error(result?.error);
            return false;
        }

        // 清除用户信息
        localStorage.removeItem("NCloud/dev/User")
        this.id = null;
        this.sessionToken = null;
        this.data = {};
        return true;
    }

    /** 注册 */
    async signUp(username: string, password: string, additionalData: Record<string, any> = {}) {
        const userData = {
            username,
            password,
            ...additionalData // 合并额外的用户数据
        };

        const response = await fetch(`http://dev.fmode.cn:1337/parse/users`, {
            headers: {
                "x-parse-application-id": "dev",
                "Content-Type": "application/json"
            },
            body: JSON.stringify(userData),
            method: "POST"
        });

        const result = await response?.json();
        if (result?.error) {
            console.error(result?.error);
            return null;
        }

        // 设置用户信息
        // 缓存用户信息
        console.log(result)
        localStorage.setItem("NCloud/dev/User", JSON.stringify(result))
        this.id = result?.objectId;
        this.sessionToken = result?.sessionToken;
        this.data = result; // 保存用户数据
        return this;
    }

    override async save() {
        let method = "POST";
        let url = `http://dev.fmode.cn:1337/parse/users`;

        // 更新用户信息
        if (this.id) {
            url += `/${this.id}`;
            method = "PUT";
        }

        let data: any = JSON.parse(JSON.stringify(this.data))
        delete data.createdAt
        delete data.updatedAt
        delete data.ACL
        delete data.objectId
        const body = JSON.stringify(data);
        let headersOptions: any = {
            "content-type": "application/json;charset=UTF-8",
            "x-parse-application-id": "dev",
            "x-parse-session-token": this.sessionToken, // 添加sessionToken以进行身份验证
        }
        const response = await fetch(url, {
            headers: headersOptions,
            body: body,
            method: method,
            mode: "cors",
            credentials: "omit"
        });

        const result = await response?.json();
        if (result?.error) {
            console.error(result?.error);
        }
        if (result?.objectId) {
            this.id = result?.objectId;
        }
        localStorage.setItem("NCloud/dev/User", JSON.stringify(this.data))
        return this;
    }
}