feat: remove import service module and integration guide

- Deleted ImportModule and ImportService files as part of the refactor.
- Removed the Integration Guide and README documentation for the import service.
- Cleaned up Docker Compose files related to the import service.
- Added a new parser for recipe markdown format with structured data extraction.
- Introduced TypeScript configuration and package.json for the new service structure.

recipe-document-converter/src/parser.ts

@@ -0,0 +1,146 @@
+export interface ParsedIngredient {
+  rawName: string;
+  quantity: number;
+  unit: string;
+  note: string | null;
+}
+
+export interface ParsedRecipe {
+  name: string;
+  description: string;
+  instructions: string;
+  ingredients: ParsedIngredient[];
+}
+
+/**
+ * Parsar ett recept i Markdown-format och extraherar namn, beskrivning,
+ * instruktioner och ingredienser.
+ *
+ * Förväntat format:
+ *   # Receptnamn
+ *   Beskrivning (valfritt stycke efter titeln)
+ *
+ *   ## Ingredienser
+ *   - 400 g kycklingfilé
+ *   - 2 dl grädde (eller crème fraiche)
+ *
+ *   ## Instruktioner
+ *   1. Stek kycklingen …
+ */
+export function parseRecipeMarkdown(markdown: string): ParsedRecipe {
+  const lines = markdown.split('\n');
+
+  let name = '';
+  let description = '';
+  let instructions = '';
+  const ingredients: ParsedIngredient[] = [];
+
+  let currentSection: 'none' | 'description' | 'ingredients' | 'instructions' = 'none';
+  const descriptionLines: string[] = [];
+  const instructionLines: string[] = [];
+
+  for (const line of lines) {
+    const trimmed = line.trim();
+
+    // H1 — receptnamn
+    if (/^#\s+/.test(trimmed) && !trimmed.startsWith('##')) {
+      name = trimmed.replace(/^#\s+/, '').trim();
+      currentSection = 'description';
+      continue;
+    }
+
+    // H2 — sektionsrubriker
+    if (/^##\s+/.test(trimmed)) {
+      const heading = trimmed.replace(/^##\s+/, '').trim().toLowerCase();
+      if (/ingrediens/.test(heading)) {
+        currentSection = 'ingredients';
+      } else if (/instruktion|tillagning|gör så här|steg/.test(heading)) {
+        currentSection = 'instructions';
+      } else {
+        currentSection = 'none';
+      }
+      continue;
+    }
+
+    // Samla rader beroende på sektion
+    switch (currentSection) {
+      case 'description':
+        if (trimmed.length > 0) {
+          descriptionLines.push(trimmed);
+        }
+        break;
+
+      case 'ingredients':
+        if (/^[-*]\s+/.test(trimmed)) {
+          const ingredientText = trimmed.replace(/^[-*]\s+/, '');
+          ingredients.push(parseIngredientLine(ingredientText));
+        }
+        break;
+
+      case 'instructions':
+        if (trimmed.length > 0) {
+          instructionLines.push(trimmed);
+        }
+        break;
+    }
+  }
+
+  description = descriptionLines.join('\n');
+  instructions = instructionLines.join('\n');
+
+  return { name, description, instructions, ingredients };
+}
+
+/**
+ * Parsar en ingrediensrad, t.ex.:
+ *   "400 g kycklingfilé"
+ *   "2 dl grädde (eller crème fraiche)"
+ *   "1 kruka basilika"
+ *   "salt"
+ */
+function parseIngredientLine(text: string): ParsedIngredient {
+  const trimmed = text.trim();
+
+  // Extrahera eventuell parentes-not i slutet
+  let note: string | null = null;
+  let main = trimmed;
+  const parenMatch = trimmed.match(/\(([^)]+)\)\s*$/);
+  if (parenMatch) {
+    note = parenMatch[1].trim();
+    main = trimmed.slice(0, parenMatch.index).trim();
+  }
+
+  // Försök matcha "kvantitet enhet namn" — t.ex. "400 g kycklingfilé" eller "2.5 dl grädde"
+  const fullMatch = main.match(/^(\d+(?:[.,]\d+)?)\s+(\S+)\s+(.+)$/);
+  if (fullMatch) {
+    return {
+      quantity: parseNumber(fullMatch[1]),
+      unit: fullMatch[2],
+      rawName: fullMatch[3].trim(),
+      note,
+    };
+  }
+
+  // Försök matcha "kvantitet namn" utan enhet — t.ex. "3 ägg"
+  const noUnitMatch = main.match(/^(\d+(?:[.,]\d+)?)\s+(.+)$/);
+  if (noUnitMatch) {
+    return {
+      quantity: parseNumber(noUnitMatch[1]),
+      unit: 'st',
+      rawName: noUnitMatch[2].trim(),
+      note,
+    };
+  }
+
+  // Bara ett namn, ingen kvantitet — t.ex. "salt"
+  return {
+    quantity: 0,
+    unit: '',
+    rawName: main,
+    note,
+  };
+}
+
+function parseNumber(s: string): number {
+  return parseFloat(s.replace(',', '.'));
+}