update 04.03.24

util/util.go

@@ -2,12 +2,53 @@ package util
 
 import (
 	"context"
+	"go.mongodb.org/mongo-driver/bson"
 	"go.mongodb.org/mongo-driver/bson/primitive"
 	"go.mongodb.org/mongo-driver/mongo"
 	"log"
 	"time"
 )
 
+var Client *mongo.Client
+
+func GetDebtsForPerson(client *mongo.Client, personID string) ([]Debt, error) {
+	var results []Debt
+
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+
+	// Umwandlung der personID von string in primitive.ObjectID
+	objID, err := primitive.ObjectIDFromHex(personID)
+	if err != nil {
+		return nil, err
+	}
+
+	// Verbindung zur "debts" Sammlung
+	debtsCollection := client.Database("debtlist").Collection("debts")
+
+	// Abfrage erstellen, die alle Schulden findet, deren fk_pid mit der personID übereinstimmt
+	filter := bson.M{"fk_pid": objID}
+	cursor, err := debtsCollection.Find(ctx, filter)
+	if err != nil {
+		return nil, err
+	}
+	defer cursor.Close(ctx)
+
+	// Durchlaufen des Cursors und Hinzufügen der Ergebnisse zur results-Slice
+	for cursor.Next(ctx) {
+		var debt Debt
+		if err := cursor.Decode(&debt); err != nil {
+			return nil, err
+		}
+		results = append(results, debt)
+	}
+
+	if err := cursor.Err(); err != nil {
+		return nil, err
+	}
+
+	return results, nil
+}
 func InsertRandomData(client *mongo.Client) {
 	persons := []string{"Max", "Moritz", "Hans", "Peter", "Paul", "Klaus", "Karl", "Kai", "Kurt", "Karl-Heinz"}
 	debts := []Debt{}