yekonga-server/src/core/controllers/resolvers.js

Yekonga Server

const H = Yekonga.Helper;

class ControllerResolver {
    params;
    query;
    className;
    classVariable;
    singularVariable;
    pluralVariable;
    methodVariable;
    secondaryKey;
    uuid;
    input;
    action;

    constructor(req, res) {
        this.defaultMethods = ['create', 'update', 'import', 'delete', 'download', 'paginate'];
        this.params = req.params;
        this.query = req.query;
        this.input = req.body;

        if (this.params.class) {
            this.className = H.getClass(this.params.class);
            this.secondaryKey = H.getVariable(`${this.className}Id`);
            this.classVariable = H.getVariable(this.params.class);
            this.singularVariable = H.toSingular(this.classVariable);
            this.pluralVariable = H.toPlural(this.classVariable);
        }
        if (this.params.method) {
            this.methodVariable = H.getVariable(this.params.method);
        }

        this.action = this.methodVariable;
        this.uuid = this.params.uuid;

        if (!this.defaultMethods.includes(this.methodVariable)) {
            if (this.pluralVariable == this.classVariable && !this.methodVariable) {
                this.action = 'list';
            } else if (this.singularVariable == this.classVariable && this.methodVariable && !this.uuid) {
                this.action = 'show';
                this.uuid = this.params.method;
            }
        }
    }

    async execute() {
        var data = { error: "Empty" };
        var method = null;
        var parent = {},
            params = { where: {} },
            context = {};
        if (this.uuid) {
            params.where[this.secondaryKey] = { equalTo: this.uuid }
        }

        try {
            if (this.action == 'list') {
                method = H.getVariable(`${this.pluralVariable}`);
                data = await Yekonga.Graphql.Resolvers.Query[method](parent, params, context);
            } else if (this.action == 'paginate') {
                method = H.getVariable(`${this.className}Paginate`);
                data = await Yekonga.Graphql.Resolvers.Query[method](parent, params, context);
            } else if (this.action == 'create') {
                if (this.input) params.input = [this.input];

                method = H.getVariable(`create${this.className}`);
                data = await Yekonga.Graphql.Resolvers.Mutation[method](parent, params, context);
            } else if (this.action == 'update') {
                if (this.input) params.input = this.input;

                method = H.getVariable(`update${H.toPlural(this.className)}`);
                data = await Yekonga.Graphql.Resolvers.Mutation[method](parent, params, context);
            } else if (this.action == 'import') {
                if (this.input) params.input = this.input;

                method = H.getVariable(`import${this.className}`);
                data = await Yekonga.Graphql.Resolvers.Mutation[method](parent, params, context);
            } else if (this.action == 'delete') {
                method = H.getVariable(`delete${this.className}`);
                data = await Yekonga.Graphql.Resolvers.Mutation[method](parent, params, context);
            } else if (this.action == 'download') {
                method = H.getVariable(`download${this.className}`);
                data = await Yekonga.Graphql.Resolvers.Query[method](parent, params, context);
            } else if (this.action == 'show') {
                method = H.getVariable(`${this.className}`);
                data = await Yekonga.Graphql.Resolvers.Query[method](parent, params, context);
            }
        } catch (error) {
            console.error(`${method} / ${this.className} / ${this.action} / ${this.uuid}`)
            console.error(error)
        }

        return data;
    }


}


module.exports = ControllerResolver;