def editRelationshipForm(model_name):
# ensure model name exists
if model_name not in getModelNames():
flash(f"Model '{model_name}' does not exist", "error")
return redirect(url_for('models'))
# Ensure there was a POST request
if request.method != "POST":
# send error message as a flash message
flash("Nothing sent in POST", "error")
return redirect(url_for('dashboard', model_name=model_name))
# load model
model = UMLModel()
model.load_model(model_name + ".json", directory=DATA_FOLDER)
# ensure class1 exists
if request.form.get('class_name1') not in model.classes:
return f"Class '{request.form.get('class_name1')}' does not exist"
# ensure class2 exists
if request.form.get('class_name2') not in model.classes:
return f"Class '{request.form.get('class_name2')}' does not exist"
# grab class data
data = {}
data["classes"] = model.get_data()
# add current relationships data
data["relationship_type"] = request.form.get('relationship_type')
data["class_name1"] = request.form.get('class_name1')
data["class_name2"] = request.form.get('class_name2')
# Build modal form inputs
return render_template("editRelationshipForm.html", data=data)
def editForm(model_name):
# ensure model name exists
if model_name not in getModelNames():
flash(f"Model '{model_name}' does not exist", "error")
return redirect(url_for('models'))
# Ensure there was a POST request
if request.method != "POST":
# send error message as a flash message
flash("Nothing sent in POST", "error")
return redirect(url_for('dashboard', model_name=model_name))
# load model
model = UMLModel()
model.load_model(model_name + ".json", directory=DATA_FOLDER)
# ensure class exists
if request.form.get('class_name') not in model.classes:
return f"Class '{request.form.get('class_name')}' does not exist"
# grab class data
data = model.classes[request.form.get('class_name')].get_raw_data()
# index methods for parameter matching
for class_name in data:
i = 0
for methodi in range(len(data["methods"])):
data["methods"][methodi]["index"] = i
i+=1
# Build modal form inputs
return render_template("modalForm.html", data=data)
def saveCardPosition(model_name):
# ensure model name exists
if model_name not in getModelNames():
flash(f"Model '{model_name}' does not exist", "error")
return redirect(url_for('models'))
# Ensure there was a POST request
if request.method != "POST":
# send error message as a flash message
flash("Nothing sent in POST", "error")
return redirect(url_for('dashboard', model_name=model_name))
# load model
model = UMLModel()
model.load_model(model_name + ".json", directory=DATA_FOLDER)
# Grab the position data from the POST request
class_data = {
"filename" : model_name + ".json",
"directory" : DATA_FOLDER,
"class_name" : request.form['class_name'],
"x" : request.form['x'],
"y": request.form['y'],
"zindex": request.form['zindex']
}
# create command
command = SetClassPositonGUICommand(UMLModel(), class_data)
# save backup
command.saveBackup()
# execute command
response = command.execute()
# ensure response - this occurs if someone forgot to return a status from a command
if not response:
print(f"ERROR: Command did not give a status")
# send error message as a flash message
flash("Command did not give a status; This is most likely due to a bug", "error")
return redirect(url_for('dashboard', model_name=model_name))
status, msg = response
# command was not successful
if not status:
# command failed
print(f"ERROR: {msg}")
# send error message as a flash message
flash(msg, "error")
return redirect(url_for('dashboard', model_name=model_name))
# add to history
command_history.push(command)
# send success message as a flash message
print(f"SUCCESS: {msg}")
flash(msg, "success")
return redirect(url_for('dashboard', model_name=model_name))
def dashboard(model_name):
# ensure model name exists
if model_name not in getModelNames():
flash(f"Model '{model_name}' does not exist", "error")
return redirect(url_for('models'))
# Get current model
model = UMLModel()
status, msg = model.load_model(model_name + ".json", directory=DATA_FOLDER)
if not status:
flash(msg, "error")
return render_template("dashboard.html", data={})
# Setup template data
data = {
"model_name" : model_name,
"classes" : []
}
# add each class
i = 0
for class_name in model.classes:
data["classes"] += [model.classes[class_name].get_raw_data()]
# Give class its index
data["classes"][i]["index"] = i+1
data["classes"][i]["json"] = json.dumps(model.classes[class_name].get_raw_data())
i += 1
return render_template("dashboard.html", data=data)
def test_prompt_exit(self):
# Test 1: fully exit
exits = False
try:
# give 'no' response for prompt_exit to grab and exit
sys.stdin = io.StringIO("no\n")
prompt_exit(UMLModel())
except SystemExit:
exits = True
# make sure it exited
self.assertTrue(exits)
# Test 2: cancel exit
exits = False
try:
# give 'cancel' response for prompt_exit
sys.stdin = io.StringIO("cancel\n")
status, msg = prompt_exit(UMLModel())
except SystemExit:
exits = True
# make sure it didnt exit
self.assertFalse(exits)
self.assertEqual(msg, "Exit aborted")
# Test 3: save model
model1 = UMLModel()
model1.create_class("class1")
model1.create_class("class2")
exits = False
captured = io.StringIO()
try:
# give 'yes' response for prompt_exit to grab and exit
sys.stdin = io.StringIO("yes\ntest_prompt_exit.json\n")
prompt_exit(model1, os.getcwd() + "/code/data/")
except SystemExit:
exits = True
# make sure it exited
self.assertTrue(exits)
# make sure it saved
model2 = UMLModel()
model2.load_model("test_prompt_exit.json", os.getcwd() + "/code/data/")
self.assertEqual(model1.classes.keys(), model2.classes.keys())
def test_load_model(self):
expectedData = {
"class1" : {
"name" : "class1",
"fields" : [{
"visibility" : "protected",
"type" : "int",
"name" : "number"
}],
"methods" : [],
"relationships" : [],
"x" : 200,
"y" : 0,
"zindex" : 0
},
"class2" : {
"name" : "class2",
"fields" : [],
"methods" : [{
"visibility" : "public",
"type" : "string",
"name" : "getMsg",
"parameters" : [{
'type' : 'string',
'name' : 'msg'
}]
}],
"relationships" : [],
"x" : 200,
"y" : 0,
"zindex" : 0
},
"class3" : {
"name" : "class3",
"fields" : [],
"methods" : [],
"relationships" : [],
"x" : 200,
"y" : 0,
"zindex" : 0
}
}
json_data = json.dumps(expectedData, indent=4)
with open("code/server-data/test-load.json", "w") as file:
file.write(json_data)
# Test 1: load empty model
model = UMLModel()
model.load_model("test-load.json")
# ensure data was loaded properly
self.assertEqual(expectedData, model.get_data())
# Test 2: load invalid data
json_data = json.dumps({"class1": "toast"}, indent=4)
with open("code/server-data/test-load.json", "w") as file:
file.write(json_data)
model = UMLModel()
status, msg = model.load_model("test-load.json")
# ensure data wasn't loaded
self.assertEqual({}, model.get_data())
self.assertFalse(status)
# Test 3: load non-json-parsable file
non_json_data = "not json data"
with open("code/server-data/test-load.json", "w") as file:
file.write(non_json_data)
model = UMLModel()
status, msg = model.load_model("test-load.json")
# ensure data wasn't loaded
self.assertEqual({}, model.get_data())
self.assertFalse(status)
# Test 4: load file that doesn't exist
model = UMLModel()
status, msg = model.load_model("iDontExist.json")
# ensure data wasn't loaded
self.assertEqual({}, model.get_data())
self.assertFalse(status)
def upload():
# Ensure there was a POST request
if request.method != 'POST':
# send error message as a flash message
flash("Nothing sent in POST", "error")
return redirect(url_for('models'))
# Ensure POST has a 'file'
if 'file' not in request.files:
# send error message as a flash message
flash("No file provided", "error")
return redirect(url_for('models'))
# Ensure filename does not already exist
if request.form.get("model_name") in getModelNames():
flash(f"Model '{request.form.get('model_name')}' already exists", "error")
return redirect(url_for('models'))
# Grab file
file = request.files['file']
# Ensure there was a file submitted
if file.filename == '':
# send error message as a flash message
flash("No file provided", "error")
return redirect(url_for('models'))
# Ensure file is a json file
if not is_json(file.filename):
# send error message as a flash message
flash("File must be a JSON file", "error")
return redirect(url_for('models'))
# Save the file to the server as a temp file
# User's filename is not used which avoids
# a security breach that could come from the filename
file.save(DATA_FOLDER + TEMP_FILENAME)
# Attempt to load the file with UMLModel
# To ensure the file will work as the model
model = UMLModel()
try:
status, msg = model.load_model(TEMP_FILENAME, directory=DATA_FOLDER)
except:
# send error message as a flash message
flash("File cannot be interpretted as a UMLModel", "error")
return redirect(url_for('models'))
# load model failed
if not status:
flash(msg, "error")
return redirect(url_for('models'))
# Save file as the new working model
with open(DATA_FOLDER + TEMP_FILENAME, "r") as src:
with open(DATA_FOLDER + request.form.get("model_name") + ".json", "w") as dest:
dest.writelines(src.readlines())
# Redirect to the homepage to display
# the newly loaded model
flash("File was successfully uploaded", "success")
return redirect(url_for('models'))
