tm-notification/src/EmailBuilder.js

This is the package exposing methods for the notification service

"use strict";
const axios = require("axios");

class EmailBuilder {
    constructor(clientId) {
        clientId = clientId || process.env.CLIENT_ID;
        this._axios = axios.create({
            baseURL: process.env.API_GATEWAY_URL,
            headers: {
                "client-id": clientId
            }
        });
        this.startBuild();
        this.props["sender"] = process.env.PROJECT_NAME;
        this.props["attachments"] = [];
    }

    startBuild() {
        this.props = {};
        this.props["attachments"] = [];
        return this;
    }

    setClientId(clientId) {
        this.props["clientId"] = clientId;
        return this;
    }

    setProvider(provider) {
        this.props["provider"] = provider;
        return this;
    }

    setType(type) {
        this.props["type"] = type;
        return this;
    }

    setHTML(html){
        this.props["html"] = html;
        return this;
    }
    setFrom(from) {
        this.props["from"] = from;
        return this;
    }

    setSubject(subject) {
        this.props["subject"] = subject;
        return this;
    }

    setRecipients(recipients) {
        if (!Array.isArray(recipients))
            recipients = [recipients];

        this.props["recipients"] = recipients;
        return this;
    }

    setHeader(header = {}) {
        this.props["header"] = this.props.header || header;
        let that = this;
        return {
            /**
             * @param {String} title
             * @return {setTitle}
             */
            setTitle(title) {
                that.props.header["title"] = title;
                return this;
            },
            /**
             * @param {String} bgColor
             * @return {setTitle}
             */
            setBGColor(bgColor) {
                that.props.header["bgColor"] = bgColor;
                return this;
            },
            setAppLogo(appLogo) {
                that.props.header["appLogo"] = appLogo;
                return this;
            },

            setAppUrl(appUrl) {
                that.props.header["appUrl"] = appUrl;
                return this;
            },
            setAppName(appName) {
                that.props.header["appName"] = appName;
                return this;
            }
        }
    }

    setSenderId(senderId) {
        this.props["sender_id"] = senderId;
        return this;
    }

    setBody(body) {
        this.props["content"] = body;
        this.props["body"] = this.props.body || {};
        this.props.body["introLines"] = this.props.body["introLines"] || [];
        this.props.body["outroLines"] = this.props.body["outroLines"] || [];
        let that = this;
        return {
            setContent(content) {
                that.props["content"] = content;
                that.props.body["content"] = content;
                return this;
            },
            setGreeting(greeting) {
                that.props.body["greeting"] = greeting;
                return this;
            },
            setIntroLine(lines) {
                if (!Array.isArray(lines)) {
                    that.props.body["introLines"].push(lines);
                } else {
                    that.props.body["introLines"] = that.props.body["introLines"].concat(lines);
                }
                return this;
            },
            setOutroLine(lines) {
                if (!Array.isArray(lines)) {
                    that.props.body["outroLines"].push(lines);
                } else {
                    that.props.body["outroLines"] = that.props.body["outroLines"].concat(lines);
                }
                return this;
            }
        }
    }

    setButton() {
        this.props["button"] = this.props.button || {};
        let that = this;
        return {
            setLevel(level) {
                that.props.button["level"] = level;
                return this;
            },
            setActionUrl(actionLink) {
                that.props.button["actionUrl"] = actionLink;
                return this;
            },
            setActionText(actionText) {
                that.props.button["actionText"] = actionText;
                return this;
            }
        }
    }

    setReplyTo(replyTo) {
        this.props["replyTo"] = replyTo;
        return this;
    }

    /**
     *
     * @return {EmailBuilder}
     * @param {[String] | String} attachments
     */
    setAttachments(attachments) {
        if (!Array.isArray(attachments)) {
            this.props["attachments"].push(attachments);
        } else {
            this.props["attachments"] = this.props["attachments"].concat(attachments);
        }
        return this;
    }

    build() {
        return this.props;
    }

    async send() {
        try {
            const config = {
                headers: {
                    "client-id": this.props.clientId || process.env.CLIENT_ID
                }
            };
            if (process.env.NOTIFICATION_SERVICE_URL){
                console.log("Sending Request to --------> " + process.env.NOTIFICATION_SERVICE_URL);
                return {data: (await this._axios.post(`${process.env.NOTIFICATION_SERVICE_URL}/v1/email`, this.build(), config)).data.data};
            }
            console.log("Sending Request to --------> " + process.env.API_GATEWAY_URL);

            return {data: (await this._axios.post(`notifications/v1/email`, this.build(), config)).data.data};
        } catch (e) {
            const error = resolveAxiosError(e);
            logger(e.message, (new Error(e)).stack, error);
            return {error: error?.raw?.message || error};
        }
    }

}


module.exports = EmailBuilder;