Add logo upload and color extraction for vendor

- Allow uploading a company logo and extract its dominant color - Show
logo preview and extracted color in the UI - Use logo and color for PDF
branding and styling - Add per-item IVA field and calculation - Update
PDF export to show logo, brand color, and IVA per item
This commit is contained in:
d.viti
2025-10-14 00:12:07 +02:00
parent 7a5e8e5760
commit ea504d7b37

View File

@@ -132,6 +132,60 @@
<i class="fas fa-building text-emerald-600"></i>
Dati Venditore
</h2>
<!-- Logo Upload -->
<div
class="mb-6 p-4 bg-gradient-to-r from-emerald-50 to-teal-50 rounded-lg border-2 border-emerald-200"
>
<label class="block text-sm font-medium text-gray-700 mb-2">
<i class="fas fa-image text-emerald-600 mr-2"></i>
Logo Aziendale
</label>
<div class="flex items-center gap-4">
<div x-show="venditore.logo" class="flex-shrink-0">
<img
:src="venditore.logo"
alt="Logo"
class="h-20 w-20 object-contain border-2 border-emerald-300 rounded-lg bg-white p-2"
/>
</div>
<div class="flex-1">
<input
type="file"
@change="handleLogoUpload($event)"
accept="image/*"
class="block w-full text-sm text-gray-500 file:mr-4 file:py-2 file:px-4 file:rounded-lg file:border-0 file:text-sm file:font-semibold file:bg-emerald-500 file:text-white hover:file:bg-emerald-600 file:cursor-pointer cursor-pointer"
/>
<p class="text-xs text-gray-500 mt-1">
PNG, JPG, SVG fino a 2MB
</p>
</div>
<button
x-show="venditore.logo"
@click="venditore.logo = ''; logoColor = null"
class="px-3 py-2 bg-red-500 text-white rounded-lg hover:bg-red-600 transition-colors"
>
<i class="fas fa-trash"></i>
</button>
</div>
<div
x-show="logoColor"
class="mt-3 flex items-center gap-2"
>
<span class="text-xs text-gray-600"
>Colore estratto:</span
>
<div
:style="'background-color: ' + logoColor"
class="w-8 h-8 rounded border-2 border-gray-300"
></div>
<span
class="text-xs font-mono"
x-text="logoColor"
></span>
</div>
</div>
<div class="grid grid-cols-1 md:grid-cols-2 gap-4">
<div class="relative">
<input
@@ -349,13 +403,27 @@
max="100"
/>
</div>
<div>
<label
class="block text-xs font-medium text-gray-700 mb-1"
>IVA (%)</label
>
<input
type="number"
x-model.number="item.iva"
class="w-24 p-2 text-sm border-2 border-emerald-200 rounded-lg focus:border-emerald-500 focus:outline-none"
step="0.01"
min="0"
max="100"
/>
</div>
<div class="flex-1 text-right">
<span class="text-xs text-gray-600"
>Prezzo scontato:
>Totale (IVA incl.):
</span>
<span
class="font-bold text-emerald-600"
x-text="'€' + calculateDiscountedTotal(item).toFixed(2)"
x-text="'€' + calculateItemTotal(item).toFixed(2)"
></span>
</div>
</div>
@@ -603,8 +671,11 @@
piva: "",
indirizzo: "",
telefono: "",
logo: "",
},
logoColor: null,
cliente: {
nome: "",
email: "",
@@ -623,6 +694,127 @@
this.addItem();
},
handleLogoUpload(event) {
const file = event.target.files[0];
if (!file) return;
// Check file size (max 2MB)
if (file.size > 2 * 1024 * 1024) {
this.showNotification(
"Il file è troppo grande. Max 2MB",
"error",
);
return;
}
const reader = new FileReader();
reader.onload = (e) => {
this.venditore.logo = e.target.result;
this.extractDominantColor(e.target.result);
this.showNotification(
"Logo caricato con successo!",
"success",
);
};
reader.onerror = () => {
this.showNotification(
"Errore nel caricamento del logo",
"error",
);
};
reader.readAsDataURL(file);
},
extractDominantColor(imageData) {
const img = new Image();
img.onload = () => {
const canvas = document.createElement("canvas");
const ctx = canvas.getContext("2d");
canvas.width = img.width;
canvas.height = img.height;
ctx.drawImage(img, 0, 0);
try {
const imageData = ctx.getImageData(
0,
0,
canvas.width,
canvas.height,
);
const data = imageData.data;
// Sample colors (every 10 pixels for performance)
const colorMap = {};
for (let i = 0; i < data.length; i += 40) {
const r = data[i];
const g = data[i + 1];
const b = data[i + 2];
const a = data[i + 3];
// Skip transparent pixels
if (a < 125) continue;
// Skip very light colors (likely background)
if (r > 240 && g > 240 && b > 240) continue;
const rgb = `${r},${g},${b}`;
colorMap[rgb] = (colorMap[rgb] || 0) + 1;
}
// Find most common color
let maxCount = 0;
let dominantColor = null;
for (const [rgb, count] of Object.entries(
colorMap,
)) {
if (count > maxCount) {
maxCount = count;
dominantColor = rgb;
}
}
if (dominantColor) {
const [r, g, b] = dominantColor
.split(",")
.map(Number);
this.logoColor = this.rgbToHex(r, g, b);
} else {
this.logoColor = "#10b981"; // Fallback emerald
}
} catch (err) {
console.error("Error extracting color:", err);
this.logoColor = "#10b981"; // Fallback emerald
}
};
img.src = imageData;
},
rgbToHex(r, g, b) {
return (
"#" +
[r, g, b]
.map((x) => {
const hex = x.toString(16);
return hex.length === 1 ? "0" + hex : hex;
})
.join("")
);
},
hexToRgb(hex) {
const result =
/^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(
hex,
);
return result
? {
r: parseInt(result[1], 16),
g: parseInt(result[2], 16),
b: parseInt(result[3], 16),
}
: { r: 16, g: 185, b: 129 }; // Fallback emerald
},
addItem() {
this.itemCounter++;
this.items.push({
@@ -633,6 +825,7 @@
price: 0,
quantity: 1,
discount: 0,
iva: this.taxRate || 22,
});
},
@@ -646,6 +839,13 @@
return subtotal - discount;
},
calculateItemTotal(item) {
const discountedTotal =
this.calculateDiscountedTotal(item);
const iva = discountedTotal * ((item.iva || 0) / 100);
return discountedTotal + iva;
},
calculateSubtotal() {
return this.items.reduce((sum, item) => {
return sum + item.price * item.quantity;
@@ -666,15 +866,22 @@
},
calculateTax() {
return (
this.calculateTaxableAmount() * (this.taxRate / 100)
);
// Calcola l'IVA sommando l'IVA di ogni item
return this.items.reduce((sum, item) => {
const discountedTotal =
this.calculateDiscountedTotal(item);
const iva =
discountedTotal * ((item.iva || 0) / 100);
return sum + iva;
}, 0);
},
calculateTotal() {
return (
this.calculateTaxableAmount() + this.calculateTax()
);
// Somma tutti i totali degli item (già con IVA) + spese di spedizione
const itemsTotal = this.items.reduce((sum, item) => {
return sum + this.calculateItemTotal(item);
}, 0);
return itemsTotal + this.shippingCost;
},
calculateTotalQuantity() {
@@ -714,21 +921,54 @@
let yPos = 20;
// Header
doc.setFontSize(20);
doc.setTextColor(16, 185, 129);
// Determine brand color (from logo or default)
const brandColor = this.logoColor || "#10b981";
const rgb = this.hexToRgb(brandColor);
// Header with logo
if (this.venditore.logo) {
try {
doc.addImage(
this.venditore.logo,
"PNG",
15,
yPos,
30,
30,
);
} catch (err) {
console.error("Error adding logo to PDF:", err);
}
}
// Company name
doc.setFontSize(22);
doc.setFont(undefined, "bold");
doc.setTextColor(rgb.r, rgb.g, rgb.b);
doc.text(
this.venditore.nome || "Venditore",
105,
yPos,
{ align: "center" },
this.venditore.logo ? 50 : 105,
yPos + 10,
{ align: this.venditore.logo ? "left" : "center" },
);
yPos += 10;
doc.setFontSize(14);
doc.setFontSize(16);
doc.setFont(undefined, "bold");
doc.setTextColor(100);
doc.text("PREVENTIVO", 105, yPos, { align: "center" });
yPos += 15;
doc.text(
"PREVENTIVO",
this.venditore.logo ? 50 : 105,
yPos + 20,
{ align: this.venditore.logo ? "left" : "center" },
);
yPos += this.venditore.logo ? 40 : 30;
// Decorative line with brand color
doc.setDrawColor(rgb.r, rgb.g, rgb.b);
doc.setLineWidth(0.5);
doc.line(20, yPos, 190, yPos);
yPos += 5;
// Dati venditore e cliente
doc.setFontSize(10);
@@ -748,17 +988,20 @@
doc.text(this.cliente.telefono, 120, yPos);
yPos += 10;
// Tabella articoli
// Tabella articoli con brand color
doc.setFontSize(10);
doc.setFillColor(16, 185, 129);
doc.setFillColor(rgb.r, rgb.g, rgb.b);
doc.rect(20, yPos, 170, 7, "F");
doc.setTextColor(255);
doc.setTextColor(255, 255, 255);
doc.setFont(undefined, "bold");
doc.text("Articolo", 25, yPos + 5);
doc.text("Q.tà", 120, yPos + 5);
doc.text("Prezzo", 140, yPos + 5);
doc.text("Sconto", 160, yPos + 5);
doc.text("Totale", 175, yPos + 5);
doc.text("Q.tà", 110, yPos + 5);
doc.text("Prezzo", 130, yPos + 5);
doc.text("Sc%", 150, yPos + 5);
doc.text("IVA%", 165, yPos + 5);
doc.text("Totale", 180, yPos + 5);
yPos += 10;
doc.setFont(undefined, "normal");
doc.setTextColor(0);
this.items.forEach((item) => {
@@ -774,12 +1017,13 @@
doc.setFont(undefined, "normal");
// Dati numerici
doc.text(String(item.quantity), 125, yPos);
doc.text(`${item.price.toFixed(2)}`, 140, yPos);
doc.text(`${item.discount}%`, 163, yPos);
doc.text(String(item.quantity), 113, yPos);
doc.text(`${item.price.toFixed(2)}`, 130, yPos);
doc.text(`${item.discount}%`, 153, yPos);
doc.text(`${item.iva || 0}%`, 168, yPos);
doc.text(
`${this.calculateDiscountedTotal(item).toFixed(2)}`,
175,
`${this.calculateItemTotal(item).toFixed(2)}`,
180,
yPos,
);
yPos += 5;
@@ -862,8 +1106,9 @@
yPos += 7;
}
doc.setFontSize(12);
doc.setFontSize(14);
doc.setFont(undefined, "bold");
doc.setTextColor(rgb.r, rgb.g, rgb.b);
doc.text("TOTALE:", 120, yPos);
doc.text(
this.formatCurrency(this.calculateTotal()),
@@ -871,6 +1116,12 @@
yPos,
);
// Footer decorative line
yPos += 5;
doc.setDrawColor(rgb.r, rgb.g, rgb.b);
doc.setLineWidth(0.5);
doc.line(20, yPos, 190, yPos);
const filename = `Preventivo_${this.cliente.nome || "Cliente"}_${new Date().toISOString().split("T")[0]}.pdf`;
doc.save(filename);
@@ -888,6 +1139,7 @@
taxRate: this.taxRate,
shippingCost: this.shippingCost,
invoiceNotes: this.invoiceNotes,
logoColor: this.logoColor,
timestamp: new Date().toISOString(),
};
@@ -931,6 +1183,7 @@
this.taxRate = data.taxRate || 22;
this.shippingCost = data.shippingCost || 0;
this.invoiceNotes = data.invoiceNotes || "";
this.logoColor = data.logoColor || null;
this.showNotification(
"Dati caricati con successo!",
"success",