feat: Enhance ingredient parsing to support mixed fractions and add description extraction in recipe parsers

backend/src/quick-import/parsers/base.parser.ts

@@ -59,15 +59,25 @@ export abstract class RecipeParser {
       cleaned = cleaned.replace(/\s*\([^)]*\)/, '').trim();
     }
 
-    // Hantera bråkdelar: "1/2" eller "1 / 2"
-    const fractionMatch = cleaned.match(/^([\d.]+)\s*\/\s*([\d.]+)/);
+    // Hantera bråkdelar: "1/2" eller "1 1/2" eller "1 1 / 2"
+    // Regex: (optional whole)? numerator / denominator
+    const fractionMatch = cleaned.match(/^(\d+)?\s*(\d+)\s*\/\s*([\d.]+)/);
     let quantity = 0;
     let remainingText = cleaned;
 
     if (fractionMatch) {
-      const numerator = parseFloat(fractionMatch[1]);
-      const denominator = parseFloat(fractionMatch[2]);
-      quantity = numerator / denominator;
+      if (fractionMatch[1]) {
+        // Heltal + bråk: "1 1/2"
+        const whole = parseFloat(fractionMatch[1]);
+        const numerator = parseFloat(fractionMatch[2]);
+        const denominator = parseFloat(fractionMatch[3]);
+        quantity = whole + (numerator / denominator);
+      } else {
+        // Bara bråk: "1/2"
+        const numerator = parseFloat(fractionMatch[2]);
+        const denominator = parseFloat(fractionMatch[3]);
+        quantity = numerator / denominator;
+      }
       remainingText = cleaned.substring(fractionMatch[0].length).trim();
     } else {
       const numberMatch = remainingText.match(/^([\d.,]+)/);

backend/src/quick-import/parsers/generic.parser.ts

@@ -42,6 +42,7 @@ export class GenericRecipeParser extends RecipeParser {
 
   private extractFromJsonLd(recipe: any): ParsedRecipe {
     const name = recipe.name || '';
+    const description = recipe.description || '';
 
     const ingredients: Array<{ quantity: number; unit: string; name: string; note?: string }> = [];
     if (recipe.recipeIngredient && Array.isArray(recipe.recipeIngredient)) {
@@ -71,6 +72,7 @@ export class GenericRecipeParser extends RecipeParser {
 
     return {
       name,
+      description,
       ingredients,
       instructions,
     };
@@ -90,6 +92,15 @@ export class GenericRecipeParser extends RecipeParser {
       name = titleMatch[1].trim();
     }
 
+    // Försöka extrahera beskrivning från meta-taggar
+    let description = '';
+    const descMatch = html.match(
+      /<meta\s+name="description"\s+content="([^"]+)"/i
+    );
+    if (descMatch) {
+      description = descMatch[1].trim();
+    }
+
     // Försöka extrahera ingredienser från vanliga strukturer
     const ingredients: Array<{ quantity: number; unit: string; name: string; note?: string }> = [];
     
@@ -129,6 +140,7 @@ export class GenericRecipeParser extends RecipeParser {
 
     return {
       name,
+      description,
       ingredients,
       instructions,
     };

backend/src/quick-import/parsers/ica.parser.ts

@@ -45,6 +45,9 @@ export class IcaRecipeParser extends RecipeParser {
     // Extrahera titel
     const name = recipe.name || '';
 
+    // Extrahera beskrivning
+    const description = recipe.description || '';
+
     // Extrahera ingredienser
     const ingredients: Array<{ quantity: number; unit: string; name: string; note?: string }> = [];
     if (recipe.recipeIngredient && Array.isArray(recipe.recipeIngredient)) {
@@ -75,6 +78,7 @@ export class IcaRecipeParser extends RecipeParser {
 
     return {
       name,
+      description,
       ingredients,
       instructions,
     };
@@ -96,6 +100,15 @@ export class IcaRecipeParser extends RecipeParser {
       }
     }
 
+    // Extrahera beskrivning från meta-taggar
+    let description = '';
+    const descMatch = html.match(
+      /<meta\s+name="description"\s+content="([^"]+)"/i
+    );
+    if (descMatch) {
+      description = descMatch[1].trim();
+    }
+
     const ingredients: Array<{ quantity: number; unit: string; name: string; note?: string }> = [];
     const ingredientRegex =
       /<li[^>]*class="[^"]*ingredient[^"]*"[^>]*>([^<]+)<\/li>/gi;
@@ -117,6 +130,7 @@ export class IcaRecipeParser extends RecipeParser {
 
     return {
       name,
+      description,
       ingredients,
       instructions,
     };