output borrowed books, make table configurable

app.py

@@ -14,6 +14,9 @@ from dbutils.pooled_db import PooledDB
 import os
 import logging
 
+# Add this line to define the AUSLEIHE_TABLE variable
+AUSLEIHE_TABLE = os.environ.get('AUSLEIHE_TABLE', 'ausleihe_test')
+
 # Create a connection pool
 db_config = {
     'host': os.environ['MURMEL_DB_HOST'],
@@ -88,12 +91,12 @@ def rueckgabe(idBuch, grund='rueckgabe'):
     - int: 0 if the book was not found or already returned.
 
     """
-    sql = "SELECT `idBuch`, `idKind`, `ausleihe`, `rueckgabe`, `rueckGrund` FROM `ausleihe_test` WHERE `idBuch` = %s AND `rueckgabe` is NULL;"
+    sql = f"SELECT `idBuch`, `idKind`, `ausleihe`, `rueckgabe`, `rueckGrund` FROM `{AUSLEIHE_TABLE}` WHERE `idBuch` = %s AND `rueckgabe` is NULL;"
     result = execute_query(sql, (idBuch,))
     if len(result) == 0:
         return 0
     # return the book
-    sql = "UPDATE `ausleihe_test` SET `rueckgabe` = NOW(), `rueckGrund` = %s WHERE `idBuch` = %s AND `rueckgabe` is NULL;"
+    sql = f"UPDATE `{AUSLEIHE_TABLE}` SET `rueckgabe` = NOW(), `rueckGrund` = %s WHERE `idBuch` = %s AND `rueckgabe` is NULL;"
     execute_query(sql, (grund, idBuch))
     #pprint.pprint(result)
     # return if the book was returned or not and who had it before
@@ -102,7 +105,7 @@ def rueckgabe(idBuch, grund='rueckgabe'):
 @app.get("/borrow/{idBuch}/{idKind}")
 def ausleihe(idBuch, idKind):
     """
-    Performs a book loan operation by inserting a new record into the 'ausleihe_test' table.
+    Performs a book loan operation by inserting a new record into 'ausleihe_test' or the table defined by the AUSLEIHE_TABLE environment variable.
 
     Parameters:
     - idBuch (int): The ID of the book being loaned.
@@ -122,7 +125,7 @@ def ausleihe(idBuch, idKind):
         message += f". Zuvor ausgeliehen von {prev_borrower_name}"
     
     # Insert new borrowing record
-    sql = "INSERT INTO `ausleihe_test` (`idBuch`, `idKind`, `ausleihe`) VALUES (%s, %s, NOW());"
+    sql = f"INSERT INTO `{AUSLEIHE_TABLE}` (`idBuch`, `idKind`, `ausleihe`) VALUES (%s, %s, NOW());"
     execute_query(sql, (idBuch, idKind))
     
     return {"message": message}
@@ -138,7 +141,7 @@ def ausgeliehen(idKind):
     Returns:
         list: A list of tuples containing the book ID and the borrowing date for each book that is currently borrowed by the child.
     """
-    sql = "SELECT `idBuch`, `ausleihe` FROM `ausleihe_test` WHERE `idKind` = %s AND `rueckgabe` IS NULL;"
+    sql = f"SELECT `idBuch`, `ausleihe` FROM `{AUSLEIHE_TABLE}` WHERE `idKind` = %s AND `rueckgabe` IS NULL;"
     result = execute_query(sql, (idKind,))
     #pprint.pprint(result)
     return result

index.html

@@ -21,13 +21,14 @@
     <select id="groupSelect" onchange="loadStudents()">
         <option value="">Gruppe auswählen</option>
     </select>
-    <select id="studentSelect">
+    <select id="studentSelect" onchange="loadOutstandingBooks()">
         <option value="">Schüler auswählen</option>
     </select>
     <input type="number" id="borrowBookId" placeholder="Buchnummer eingeben">
     <button onclick="borrowBook()">Buch ausleihen</button>
 
     <div id="message"></div>
+    <div id="outstandingBooks"></div>
 
     <script>
         // Load groups when the page loads
@@ -70,6 +71,33 @@
                         option.textContent = student.Kind;
                         select.appendChild(option);
                     });
+                    // Clear outstanding books when changing students
+                    document.getElementById('outstandingBooks').innerHTML = '';
+                });
+        }
+
+        function loadOutstandingBooks() {
+            const studentId = document.getElementById('studentSelect').value;
+            if (!studentId) {
+                document.getElementById('outstandingBooks').innerHTML = '';
+                return;
+            }
+
+            fetch(`/borrowed/${studentId}`)
+                .then(response => response.json())
+                .then(books => {
+                    const outstandingBooksDiv = document.getElementById('outstandingBooks');
+                    if (books.length === 0) {
+                        outstandingBooksDiv.innerHTML = '<p>Keine ausstehenden Bücher</p>';
+                    } else {
+                        let html = '<h3>Ausstehende Bücher:</h3><ul>';
+                        books.forEach(book => {
+                            const borrowDate = new Date(book.ausleihe).toLocaleDateString('de-DE');
+                            html += `<li>Buch ID: ${book.idBuch}, Ausgeliehen am: ${borrowDate}</li>`;
+                        });
+                        html += '</ul>';
+                        outstandingBooksDiv.innerHTML = html;
+                    }
                 });
         }