182 lines
5.2 KiB
JavaScript
182 lines
5.2 KiB
JavaScript
"use strict";
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let newsletter_send_one_form;
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let newsletter_send_one_input_mail_address;
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let newsletter_send_one_input_content_name;
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let newsletter_send_one_input_csrf_token;
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let newsletter_send_one_input_submit;
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let newsletter_send_one_feedback;
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let newsletter_send_one_feedback_wait;
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let newsletter_send_one_feedback_success;
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let newsletter_send_one_feedback_failure;
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let newsletter_send_one_feedback_failure_no_member;
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let newsletter_send_one_valid_mail_address = false;
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window.addEventListener("load", function(){
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// STORE ELEMENTS //
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newsletter_send_one_form = document.getElementById("newsletter-send-one-form");
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newsletter_send_one_input_mail_address = document.getElementById("newsletter-send-one-form-mail-address");
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newsletter_send_one_input_content_name = document.getElementById("newsletter-send-one-form-content-name");
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newsletter_send_one_input_csrf_token = document.getElementById("newsletter-send-one-form-csrf-token");
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newsletter_send_one_input_submit = document.getElementById("newsletter-send-one-form-submit");
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newsletter_send_one_feedback = document.getElementById("newsletter-send-one-form-feedback");
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newsletter_send_one_feedback_wait = document.getElementById("newsletter-send-one-form-feedback-wait");
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newsletter_send_one_feedback_success = document.getElementById("newsletter-send-one-form-feedback-success");
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newsletter_send_one_feedback_failure = document.getElementById("newsletter-send-one-form-feedback-failure");
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newsletter_send_one_feedback_failure_no_member = document.getElementById("newsletter-send-one-form-feedback-failure-no-member");
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// INITIALIZE INPUTS //
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newsletter_send_one_init_mail_address();
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newsletter_send_one_init_submit();
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});
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/**
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* HELPER: Initialize mail address input.
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*/
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async function newsletter_send_one_init_mail_address(){
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// REGISTER INPUT HANDLER //
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newsletter_send_one_input_mail_address.addEventListener("input", newsletter_send_one_update_mail_address);
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}
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/**
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* HELPER: Initialize submit button input.
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*/
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async function newsletter_send_one_init_submit(){
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// REGISTER CLICK HANDLER //
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newsletter_send_one_input_submit.addEventListener("click", newsletter_send_one_submit);
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// UPDATE STATE //
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newsletter_send_one_update_submit();
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}
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/**
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* CALLBACK: Update mail address state.
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*/
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async function newsletter_send_one_update_mail_address(){
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// VALIDATE INPUT //
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// load value
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let value = newsletter_send_one_input_mail_address.value;
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// check against regex
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newsletter_send_one_valid_mail_address = (value.match(/^[a-zA-Z0-9\.\-\_\+]+@([a-z0-9\-]+\.)+[a-z0-9\-]{2,}$/) !== null);
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// UPDATE VALIDITY INDICATOR //
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// get element
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let validity_indicator = newsletter_send_one_input_mail_address.parentElement;
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// reset state
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validity_indicator.classList.remove("valid", "invalid");
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// set state
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if(newsletter_send_one_valid_mail_address){
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validity_indicator.classList.add("valid");
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} else {
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validity_indicator.classList.add("invalid");
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}
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// UPDATE SUBMIT BUTTON //
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newsletter_send_one_update_submit();
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}
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/**
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* HELPER: Update submit button state.
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*/
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async function newsletter_send_one_update_submit(){
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// DISABLE //
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newsletter_send_one_input_submit.classList.add("disabled");
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// MAYBE ENABLE //
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if(newsletter_send_one_valid_mail_address){
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newsletter_send_one_input_submit.classList.remove("disabled");
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}
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}
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/**
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* CALLBACK: Maybe submit the form.
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*/
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async function newsletter_send_one_submit(){
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// MAKE SURE ALL INPUTS ARE VALID //
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if(!newsletter_send_one_valid_mail_address) return;
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// SHOW WAIT FEEDBACK //
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newsletter_send_one_feedback.classList.remove("hidden", "gone");
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newsletter_send_one_form.classList.add("hidden");
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newsletter_send_one_feedback_wait.classList.remove("hidden", "gone");
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// COLLECT VALUES //
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// mail address
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let mail_address = newsletter_send_one_input_mail_address.value;
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// content name
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let content_name = newsletter_send_one_input_content_name.value;
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// csrf token
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let csrf_token = newsletter_send_one_input_csrf_token.value;
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// SEND API REQUEST //
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var xhr = new XMLHttpRequest();
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xhr.open("POST", "/admin/newsletter/api/send-one", true);
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xhr.setRequestHeader("Content-Type", "application/json");
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xhr.send(JSON.stringify({
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mail_address: mail_address,
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content_name: content_name,
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csrf_token: csrf_token
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}));
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xhr.onload = function(){
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let success = true;
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// validate http status code
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if(xhr.status !== 200) success = false;
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// check response
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let response = null;
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if(success){
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try {
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response = JSON.parse(xhr.response);
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} catch(e){}
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if(typeof response !== "object") success = false;
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if(success && response === null) success = false;
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if(success && response.success !== true) success = false;
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}
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// positive feedback
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if(success){
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newsletter_send_one_feedback_wait.classList.add("gone");
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newsletter_send_one_feedback_success.classList.remove("hidden", "gone");
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return;
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}
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// negative feedback: no member
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if(response !== null && (response.reason ?? "") === "no_member"){
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newsletter_send_one_feedback_wait.classList.add("gone");
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newsletter_send_one_feedback_failure_no_member.classList.remove("hidden", "gone");
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return;
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}
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// negative feedback: default
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newsletter_send_one_feedback_wait.classList.add("gone");
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newsletter_send_one_feedback_failure.classList.remove("hidden", "gone");
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}
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}
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