Set up db and fixed view page

app.py

@@ -4,13 +4,12 @@ from models import *
 import csv
 
 app = Flask(__name__)
-app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///inventory.db'
+app.config['SQLALCHEMY_DATABASE_URI'] = 'mysql://assetadmin:1234@localhost/asset_test_db'
 app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
 db.init_app(app)
 
 
-@app.before_first_request
+with app.app_context():
-def create_table():
     db.create_all()
 
 
@@ -25,16 +24,16 @@ def create():
         return render_template('create.html')
 
     if request.method == 'POST':
-        sku = request.form['sku']
+        assettag = request.form['assettag']
-        name = request.form['name']
+        hostname = request.form['hostname']
-        description = request.form['description']
+        warrantyfrom = request.form['warrantyfrom']
-        price = request.form['price']
+        status = request.form['status']
         try:
-            qty = int(request.form['qty'])
+            staffnum = int(request.form['staffnum'])
         except ValueError:
-            return render_template('create.html', exc='qty')
+            return render_template('create.html', exc='staffnum')
 
-        item = Item(sku=sku, name=name, description=description, price=price, qty=qty)
+        item = Asset(assettag=assettag, hostname=hostname, warrantyfrom=warrantyfrom, status=status, staffnum=staffnum)
 
         try:
             db.session.add(item)
@@ -42,7 +41,7 @@ def create():
         except exc.IntegrityError:
             return render_template('create.html', exc='integrity')
         except exc.StatementError:
-            return render_template('create.html', exc='price')
+            return render_template('create.html', exc='status')
 
         return redirect('/view')
 
@@ -52,63 +51,63 @@ def view_list():
     if request.method == 'POST':
         outfile = open('inventory_export.csv', 'w', newline='')
         outcsv = csv.writer(outfile)
-        records = db.session.query(Item).all()
+        records = db.session.query(Asset).all()
-        outcsv.writerow([column.name for column in Item.__mapper__.columns])
+        outcsv.writerow([column.hostname for column in Asset.__mapper__.columns])
-        [outcsv.writerow([getattr(curr, column.name) for column in Item.__mapper__.columns]) for curr in records]
+        [outcsv.writerow([getattr(curr, column.hostname) for column in Asset.__mapper__.columns]) for curr in records]
         outfile.close()
         return send_file('inventory_export.csv', as_attachment=True)
 
-    items = Item.query.all()
+    items = Asset.query.all()
-    return render_template('viewlist.html', items=items)
+    return render_template('viewList.html', items=items)
 
 
-@app.route('/view/<int:sku>/')
+@app.route('/view/<int:assettag>/')
-def view_item(sku):
+def view_item(assettag):
-    item = Item.query.filter_by(sku=sku).first()
+    item = Asset.query.filter_by(assettag=assettag).first()
     if item:
         return render_template('viewitem.html', item=item)
-    return f"Item {sku} is not found"
+    return f"Asset {assettag} is not found"
 
 
-@app.route('/update/<int:sku>/', methods=['GET', 'POST'])
+@app.route('/update/<int:assettag>/', methods=['GET', 'POST'])
-def update(sku):
+def update(assettag):
-    item = Item.query.filter_by(sku=sku).first()
+    item = Asset.query.filter_by(assettag=assettag).first()
     if request.method == 'POST':
         if item:
-            sku = request.form['sku']
+            assettag = request.form['assettag']
-            name = request.form['name']
+            hostname = request.form['hostname']
-            description = request.form['description']
+            warrantyfrom = request.form['warrantyfrom']
             try:
-                price = float(request.form['price'])
+                status = float(request.form['status'])
             except ValueError:
-                return render_template('update.html', item=item, exc='price')
+                return render_template('update.html', item=item, exc='status')
             try:
-                qty = int(request.form['qty'])
+                staffnum = int(request.form['staffnum'])
             except ValueError:
-                return render_template('update.html', item=item, exc='qty')
+                return render_template('update.html', item=item, exc='staffnum')
 
             try:
-                setattr(item, 'sku', sku)
+                setattr(item, 'assettag', assettag)
-                setattr(item, 'name', name)
+                setattr(item, 'hostname', hostname)
-                setattr(item, 'description', description)
+                setattr(item, 'warrantyfrom', warrantyfrom)
-                setattr(item, 'price', price)
+                setattr(item, 'status', status)
-                setattr(item, 'qty', qty)
+                setattr(item, 'staffnum', staffnum)
 
                 db.session.commit()
             except exc.IntegrityError:
                 return render_template('update.html', item=item, exc='integrity')
             except (exc.StatementError, exc.InvalidRequestError) as e:
-                return render_template('update.html', item=item, exc='price')
+                return render_template('update.html', item=item, exc='status')
 
             return redirect(f'/view/')
-        return f"Item {sku} is not found"
+        return f"Asset {assettag} is not found"
 
     return render_template('update.html', item=item)
 
 
-@app.route('/delete/<int:sku>/', methods=['GET', 'POST'])
+@app.route('/delete/<int:assettag>/', methods=['GET', 'POST'])
-def delete(sku):
+def delete(assettag):
-    item = Item.query.filter_by(sku=sku).first()
+    item = Asset.query.filter_by(assettag=assettag).first()
     if request.method == 'POST':
         if item:
             db.session.delete(item)

models.py

@@ -2,7 +2,27 @@ from flask_sqlalchemy import SQLAlchemy
 
 db = SQLAlchemy()
 
+class Asset(db.Model):
+    __tablename__ = "asset_test"  # Table in MySQL
 
+    assettag = db.Column(db.String(50), primary_key=True)  # Primary key
+    hostname = db.Column(db.String(50))  # VARCHAR(50)
+    warrantyfrom = db.Column(db.Date)  # DATE
+    status = db.Column(db.Enum('Active', 'Inactive'))  # ENUM('Active', 'Inactive')
+    #staffnum = db.Column(db.Integer, unsigned=True)  # INT(8) UNSIGNED
+    staffnum = db.Column(db.Integer)  # INT(8) UNSIGNED
+
+    def __init__(self, assettag, hostname=None, warrantyfrom=None, status=None, staffnum=None):
+        self.assettag = assettag
+        self.hostname = hostname
+        self.warrantyfrom = warrantyfrom
+        self.status = status
+        self.staffnum = staffnum
+
+    def __repr__(self):
+        return f"<AssetTest {self.assettag}: {self.hostname}>"
+
+""" Original code
 class Item(db.Model):
     __tablename__ = "Item"
 
@@ -22,3 +42,4 @@ class Item(db.Model):
 
     def __repr__(self):
         return f"{self.name}:{self.sku}"
+"""

templates/create.html

@@ -20,37 +20,37 @@
 
     <form method = "POST">
         <p>
-            <label for="sku">SKU:</label>
+            <label for="assettag">Asset Tag:</label>
-            <input id="sku" type = "text" name = "sku" required/>
+            <input id="assettag" type = "text" name = "assettag" required/>
         </p>
         <p>
-            <label for="name">Name:</label>
+            <label for="hostname">Host Name:</label>
-            <input id="name" type = "text" name = "name" required/>
+            <input id="hostname" type = "text" name = "hostname" required/>
         </p>
         <p>
-            <label for="desc">Description:</label>
+            <label for="warrantyfrom">Warranty From:</label>
-            <input id="desc" type = "text" name = "description" required/>
+            <input id="warrantyfrom" type = "text" name = "warrantyfrom" required/>
         </p>
         <p>
-            <label for="price">Price:</label>
+            <label for="status">Status:</label>
-            <input id="price" type = "integer" name = "price" required/>
+            <input id="status" type = "integer" name = "status" required/>
         </p>
         <p>
-            <label for="qty">Quantity:</label>
+            <label for="staffnum">Staff No.:</label>
-            <input id="qty" type = "integer" name = "qty" required/>
+            <input id="staffnum" type = "integer" name = "staffnum" required/>
         </p>
         <p><input type = "submit" value = "Submit" /></p>
     </form>
 
     <p align="center">
         {% if exc == 'integrity' %}
-            Item with such SKU already exists
+            Item with the same assettag already exists
         {% endif %}
-        {% if exc == 'price' %}
+        {% if exc == 'status' %}
             Data input error. Price must have a numeric value
         {% endif %}
-        {% if exc == 'qty' %}
+        {% if exc == 'staffnum' %}
-            Data input error. Quantity must be an integer
+            Data input error. Staff number must be an integer
         {% endif %}
     </p>
 </body>

templates/update.html

@@ -20,24 +20,24 @@
 
     <form action='' method = "POST">
         <p>
-            <label for="sku">SKU:</label>
+            <label for="assettag">SKU:</label>
-            <input id="sku" type = "text" name = "sku" value="{{item.sku}}" required/>
+            <input id="assettag" type = "text" name = "assettag" value="{{item.assettag}}" required/>
         </p>
         <p>
-            <label for="name">Name:</label>
+            <label for="hostname">Name:</label>
-            <input id="name" type = "text" name = "name" value="{{item.name}}" required/>
+            <input id="hostname" type = "text" name = "hostname" value="{{item.hostname}}" required/>
         </p>
         <p>
-            <label for="desc">Description:</label>
+            <label for="warrantyfrom">Description:</label>
-            <input id="desc" type = "text" name = "description" value="{{item.description}}" required/>
+            <input id="warrantyfrom" type = "text" name = "warrantyfrom" value="{{item.warrantyfrom}}" required/>
         </p>
         <p>
-            <label for="price">Price:</label>
+            <label for="status">Price:</label>
-            <input id="price" type = "integer" name = "price" value="{{item.price}}" required/>
+            <input id="status" type = "integer" name = "status" value="{{item.status}}" required/>
         </p>
         <p>
-            <label for="qty">Quantity:</label>
+            <label for="staffnum">Quantity:</label>
-            <input id="qty" type = "integer" name = "qty" value="{{item.qty}}" required/>
+            <input id="staffnum" type = "integer" name = "staffnum" value="{{item.staffnum}}" required/>
         </p>
         <p>
             <input type = "submit" value = "Update" />
@@ -48,11 +48,11 @@
         {% if exc == 'integrity' %}
             Item with such SKU already exists
         {% endif %}
-        {% if exc == 'price' %}
+        {% if exc == 'status' %}
             Data input error. Price must have a numeric value
         {% endif %}
-        {% if exc == 'qty' %}
+        {% if exc == 'staffnum' %}
-            Data input error. Quantity must be an integer
+            Data input error. Staff number must be an integer
         {% endif %}
     </p>
 </body>

templates/viewList.html

@@ -14,36 +14,36 @@
 
     <table border="1" align="center">
         <tr>
-            <th>SKU</th>
+            <th>Asset Tag</th>
-            <th>Name</th>
+            <th>Host Name</th>
-            <th>Description</th>
+            <th>Warranty From</th>
-            <th>Price</th>
+            <th>Status</th>
-            <th>Quantity</th>
+            <th>Staff No.</th>
         </tr>
     {% for item in items %}
         <tr>
             <td>
-                {{item.sku}}
+                {{item.assettag}}
             </td>
             <td>
-                {{item.name}}
+                {{item.hostname}}
             </td>
             <td>
-                {{item.description}}
+                {{item.warrantyfrom}}
             </td>
             <td>
-                ${{item.price}}
+                ${{item.status}}
             </td>
             <td>
-                {{item.qty}}
+                {{item.staffnum}}
             </td>
             <td>
-                <form action="/update/{{item.sku}}" method="get">
+                <form action="/update/{{item.assettag}}" method="get">
                     <button type="submit">Edit</button>
                 </form>
             </td>
             <td>
-                <form action="/delete/{{item.sku}}" method="get">
+                <form action="/delete/{{item.assettag}}" method="get">
                     <button type="submit">Delete</button>
                 </form>
             </td>