connect new frontend to backend

2026-07-07 22:13:24 +02:00
parent 55f7e5814c
commit a23f3587ab
6 changed files with 312 additions and 57 deletions
@@ -0,0 +1,168 @@
+import { Controller } from '@hotwired/stimulus';
+
+export default class extends Controller {
+    static targets = [
+        'railStep', 'step', 'accentDot', 'choiceLabel', 'dropzone',
+        'input', 'chips', 'submitBtn', 'addMore', 'error', 'result','loading-all',
+    ];
+    static values = {
+        step: { type: Number, default: 1 },
+        hash: { type: String, default: '' },
+        showUrl: {type: String, default: null },
+    };
+
+    connect() {
+        this.type = null;
+        this.endpointUrl=null;
+        this.files = [];
+        if(this.showUrlValue !== null) {
+            this.loadTable();
+            this.stepValue = 0;
+        }
+        this.render();
+    }
+
+    // ---- nawigacja ----
+    pick(event) {
+        const btn = event.currentTarget;
+        this.type = btn.dataset.type;
+        this.choiceLabelTarget.textContent = btn.dataset.label;
+        this.accentDotTarget.style.background = this.accent;
+        this.endpointUrl = btn.dataset.endpoint;
+        this.files = [];
+        this.updateChips();
+        this.hideError();
+        this.stepValue = 2;
+    }
+
+    back() {
+        if (this.stepValue <= 2) {
+            this.type = null;
+            this.stepValue = 1;
+        } else {
+            this.stepValue = 2;
+        }
+    }
+
+    restart() {
+        this.type = null;
+        this.files = [];
+        this.updateChips();
+        this.resultTarget.innerHTML = '';
+        this.hideError();
+        this.stepValue = 1;
+    }
+
+    // ---- pliki ----
+    openPicker() {
+        this.inputTarget.click();
+    }
+
+    onFiles() {
+        this.files = Array.from(this.inputTarget.files || []);
+        this.updateChips();
+    }
+
+    dragOver(event) {
+        event.preventDefault();
+        this.dropzoneTarget.classList.add('is-drag');
+    }
+
+    dragLeave() {
+        this.dropzoneTarget.classList.remove('is-drag');
+    }
+
+    drop(event) {
+        event.preventDefault();
+        this.dropzoneTarget.classList.remove('is-drag');
+        this.files = Array.from(event.dataTransfer.files || []);
+        this.updateChips();
+    }
+
+    async submit() {
+        if (this.files.length === 0) {
+            this.openPicker();
+            return;
+        }
+        this.hideError();
+        this.setLoading(true);
+        try {
+            const fd = new FormData();
+            fd.append('typ', this.type);
+            this.files.forEach((f) => fd.append('pliki[]', f));
+
+            const res = await fetch(this.endpointUrl, { method: 'POST', body: fd });
+            if (!res.ok) throw new Error('Błąd serwera (' + res.status + ')');
+
+            this.resultTarget.innerHTML = await res.text();
+            this.stepValue = 3;
+        } catch (err) {
+            this.showError(err.message || 'Nie udało się obliczyć zestawienia.');
+        } finally {
+            this.setLoading(false);
+        }
+    }
+
+    async loadTable(){
+        this.setLoading(true);
+        try {
+            const res = await fetch(this.showUrlValue, { method: 'GET'});
+            if(!res.ok){
+                throw new Error('Błąd serwera (' + res.status + ')');
+            }
+            this.resultTarget.innerHTML = await res.text();
+            this.stepValue = 3;
+        }catch (err) {
+            this.showError(err.message || 'Nie udało się zaladowac zestawienia.');
+        } finally {
+            this.setLoading(false);
+        }
+    }
+
+    // ---- reakcja na zmianę kroku ----
+    stepValueChanged() {
+        this.render();
+    }
+
+    render() {
+        this.stepTargets.forEach((el) => {
+            el.hidden = Number(el.dataset.step) !== this.stepValue;
+        });
+        this.railStepTargets.forEach((el) => {
+            const idx = Number(el.dataset.index);
+            el.classList.toggle('is-active', idx === this.stepValue);
+            el.classList.toggle('is-done', idx < this.stepValue);
+        });
+    }
+
+    // ---- helpery ----
+    get accent() {
+        return this.type === 'krypto' ? '#C79A3A' : '#3F8F6B';
+    }
+
+    updateChips() {
+        const has = this.files.length > 0;
+        this.chipsTarget.hidden = !has;
+        this.addMoreTarget.hidden = !has;
+        this.chipsTarget.innerHTML = this.files
+            .map((f) => `<span class="chip">${f.name}</span>`)
+            .join('');
+        this.submitBtnTarget.textContent = has ? 'Oblicz zestawienie' : 'Wybierz pliki';
+    }
+
+    setLoading(on) {
+        this.submitBtnTarget.disabled = on;
+        this.submitBtnTarget.textContent = on
+            ? 'Obliczanie…'
+            : (this.files.length ? 'Oblicz zestawienie' : 'Wybierz pliki');
+    }
+
+    showError(msg) {
+        this.errorTarget.textContent = msg;
+        this.errorTarget.hidden = false;
+    }
+
+    hideError() {
+        this.errorTarget.hidden = true;
+    }
+}