lab2 commit

lab2/GitLecture.pyproj

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+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="4.0">
+  <PropertyGroup>
+    <VisualStudioVersion Condition="'$(VisualStudioVersion)' == ''">10.0</VisualStudioVersion>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <SchemaVersion>2.0</SchemaVersion>
+    <ProjectGuid>14b610c4-f1db-415c-ac1b-eaa7f13bb2c0</ProjectGuid>
+    <ProjectHome>.</ProjectHome>
+    <ProjectTypeGuids>{789894c7-04a9-4a11-a6b5-3f4435165112};{1b580a1a-fdb3-4b32-83e1-6407eb2722e6};{349c5851-65df-11da-9384-00065b846f21};{888888a0-9f3d-457c-b088-3a5042f75d52}</ProjectTypeGuids>
+    <StartupFile>runserver.py</StartupFile>
+    <SearchPath>
+    </SearchPath>
+    <WorkingDirectory>.</WorkingDirectory>
+    <LaunchProvider>Web launcher</LaunchProvider>
+    <WebBrowserUrl>http://localhost</WebBrowserUrl>
+    <OutputPath>.</OutputPath>
+    <SuppressCollectPythonCloudServiceFiles>true</SuppressCollectPythonCloudServiceFiles>
+    <Name>GitLecture</Name>
+    <RootNamespace>GitLecture</RootNamespace>
+    <InterpreterId>MSBuild|env|$(MSBuildProjectFullPath)</InterpreterId>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
+    <DebugSymbols>true</DebugSymbols>
+    <EnableUnmanagedDebugging>false</EnableUnmanagedDebugging>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
+    <DebugSymbols>true</DebugSymbols>
+    <EnableUnmanagedDebugging>false</EnableUnmanagedDebugging>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="GitLecture\dao\credentials.py">
+      <SubType>Code</SubType>
+    </Compile>
+    <Compile Include="GitLecture\dao\db.py">
+      <SubType>Code</SubType>
+    </Compile>
+    <Compile Include="GitLecture\dao\entities.py">
+      <SubType>Code</SubType>
+    </Compile>
+    <Compile Include="GitLecture\forms\forms.py">
+      <SubType>Code</SubType>
+    </Compile>
+    <Compile Include="runserver.py" />
+    <Compile Include="GitLecture\__init__.py" />
+    <Compile Include="GitLecture\views.py" />
+  </ItemGroup>
+  <ItemGroup>
+    <Folder Include="GitLecture\" />
+    <Folder Include="GitLecture\forms\" />
+    <Folder Include="GitLecture\dao\" />
+    <Folder Include="GitLecture\static\" />
+    <Folder Include="GitLecture\static\content\" />
+    <Folder Include="GitLecture\static\fonts\" />
+    <Folder Include="GitLecture\static\scripts\" />
+    <Folder Include="GitLecture\templates\" />
+  </ItemGroup>
+  <ItemGroup>
+    <Content Include="GitLecture\templates\create_lecture.html" />
+    <Content Include="GitLecture\templates\create_user.html" />
+    <Content Include="GitLecture\templates\dashboard.html" />
+    <Content Include="GitLecture\templates\edit_subject.html" />
+    <Content Include="GitLecture\templates\layout.html" />
+    <Content Include="GitLecture\templates\lectures.html" />
+    <Content Include="GitLecture\templates\read_lecture.html" />
+    <Content Include="GitLecture\templates\subjects.html" />
+    <Content Include="GitLecture\templates\users.html" />
+    <Content Include="Procfile" />
+    <Content Include="requirements.txt" />
+    <Content Include="GitLecture\static\content\bootstrap.css" />
+    <Content Include="GitLecture\static\content\bootstrap.min.css" />
+    <Content Include="GitLecture\static\content\site.css" />
+    <Content Include="GitLecture\static\fonts\glyphicons-halflings-regular.eot" />
+    <Content Include="GitLecture\static\fonts\glyphicons-halflings-regular.svg" />
+    <Content Include="GitLecture\static\fonts\glyphicons-halflings-regular.ttf" />
+    <Content Include="GitLecture\static\fonts\glyphicons-halflings-regular.woff" />
+    <Content Include="GitLecture\static\scripts\bootstrap.js" />
+    <Content Include="GitLecture\static\scripts\bootstrap.min.js" />
+    <Content Include="GitLecture\static\scripts\jquery-1.10.2.intellisense.js" />
+    <Content Include="GitLecture\static\scripts\jquery-1.10.2.js" />
+    <Content Include="GitLecture\static\scripts\jquery-1.10.2.min.js" />
+    <Content Include="GitLecture\static\scripts\jquery-1.10.2.min.map" />
+    <Content Include="GitLecture\static\scripts\jquery.validate-vsdoc.js" />
+    <Content Include="GitLecture\static\scripts\jquery.validate.js" />
+    <Content Include="GitLecture\static\scripts\jquery.validate.min.js" />
+    <Content Include="GitLecture\static\scripts\jquery.validate.unobtrusive.js" />
+    <Content Include="GitLecture\static\scripts\jquery.validate.unobtrusive.min.js" />
+    <Content Include="GitLecture\static\scripts\modernizr-2.6.2.js" />
+    <Content Include="GitLecture\static\scripts\respond.js" />
+    <Content Include="GitLecture\static\scripts\respond.min.js" />
+    <Content Include="GitLecture\static\scripts\_references.js" />
+  </ItemGroup>
+  <ItemGroup>
+    <Interpreter Include="env\">
+      <Id>env</Id>
+      <Version>3.6</Version>
+      <Description>env (Python 3.6 (64-bit))</Description>
+      <InterpreterPath>Scripts\python.exe</InterpreterPath>
+      <WindowsInterpreterPath>Scripts\pythonw.exe</WindowsInterpreterPath>
+      <PathEnvironmentVariable>PYTHONPATH</PathEnvironmentVariable>
+      <Architecture>X64</Architecture>
+    </Interpreter>
+  </ItemGroup>
+  <Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)\Python Tools\Microsoft.PythonTools.Web.targets" />
+  <!-- Specify pre- and post-build commands in the BeforeBuild and 
+       AfterBuild targets below. -->
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  <ProjectExtensions>
+    <VisualStudio>
+      <FlavorProperties GUID="{349c5851-65df-11da-9384-00065b846f21}">
+        <WebProjectProperties>
+          <AutoAssignPort>True</AutoAssignPort>
+          <UseCustomServer>True</UseCustomServer>
+          <CustomServerUrl>http://localhost</CustomServerUrl>
+          <SaveServerSettingsInUserFile>False</SaveServerSettingsInUserFile>
+        </WebProjectProperties>
+      </FlavorProperties>
+      <FlavorProperties GUID="{349c5851-65df-11da-9384-00065b846f21}" User="">
+        <WebProjectProperties>
+          <StartPageUrl>
+          </StartPageUrl>
+          <StartAction>CurrentPage</StartAction>
+          <AspNetDebugging>True</AspNetDebugging>
+          <SilverlightDebugging>False</SilverlightDebugging>
+          <NativeDebugging>False</NativeDebugging>
+          <SQLDebugging>False</SQLDebugging>
+          <ExternalProgram>
+          </ExternalProgram>
+          <StartExternalURL>
+          </StartExternalURL>
+          <StartCmdLineArguments>
+          </StartCmdLineArguments>
+          <StartWorkingDirectory>
+          </StartWorkingDirectory>
+          <EnableENC>False</EnableENC>
+          <AlwaysStartWebServerOnDebug>False</AlwaysStartWebServerOnDebug>
+        </WebProjectProperties>
+      </FlavorProperties>
+    </VisualStudio>
+  </ProjectExtensions>
+</Project>

lab2/GitLecture.pyproj.user

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <LastActiveSolutionConfig>Debug|Any CPU</LastActiveSolutionConfig>
+  </PropertyGroup>
+</Project>

lab2/GitLecture.sln

@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.29509.3
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{888888A0-9F3D-457C-B088-3A5042F75D52}") = "GitLecture", "GitLecture.pyproj", "{14B610C4-F1DB-415C-AC1B-EAA7F13BB2C0}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{14B610C4-F1DB-415C-AC1B-EAA7F13BB2C0}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{14B610C4-F1DB-415C-AC1B-EAA7F13BB2C0}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{14B610C4-F1DB-415C-AC1B-EAA7F13BB2C0}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{14B610C4-F1DB-415C-AC1B-EAA7F13BB2C0}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {2629643C-5C03-4D49-925C-B3788D063B2B}
+	EndGlobalSection
+EndGlobal

lab2/GitLecture/__init__.py

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+"""
+The flask application package.
+"""
+
+from flask import Flask
+from GitLecture.dao.db import PostgresDb
+from GitLecture.dao.entities import Base
+from flask_wtf.csrf import CSRFProtect
+
+app = Flask(__name__)
+db = PostgresDb()
+
+Base.metadata.create_all(db.sqlalchemy_engine)
+
+csrf = CSRFProtect(app)
+app.config['SECRET_KEY'] = "secretkey"
+app.config['WTF_CSRF_SECRET_KEY'] = "secretkey"
+csrf.init_app(app)
+
+import GitLecture.views

lab2/GitLecture/dao/credentials.py

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+import os
+
+username = 'cjugncikzjwmfm'
+password = '36f987b32bd08ff043c348331507079b2b6015413146a2fb059a92a9ab52e5eb'
+host = 'ec2-54-228-207-163.eu-west-1.compute.amazonaws.com'
+port = '5432'
+database = 'postgres'
+DATABASE_URI = 'postgres://cjugncikzjwmfm:36f987b32bd08ff043c348331507079b2b6015413146a2fb059a92a9ab52e5eb@ec2-54-228-207-163.eu-west-1.compute.amazonaws.com:5432/d8l1jv07g7mi6m'

lab2/GitLecture/dao/db.py

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+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+from GitLecture.dao.credentials import *
+
+
+class PostgresDb(object):
+    _instance = None
+
+    def __new__(cls):
+        if cls._instance is None:
+            cls._instance = object.__new__(cls)
+            try:
+                engine = create_engine(DATABASE_URI)
+
+                Session = sessionmaker(bind=engine)
+                session = Session()
+
+                PostgresDb._instance.sqlalchemy_session = session
+                PostgresDb._instance.sqlalchemy_engine = engine
+
+            except Exception as error:
+                print('Error: connection not established {}'.format(error))
+
+        return cls._instance
+
+    def __init__(self):
+        engine = create_engine(DATABASE_URI)
+
+        Session = sessionmaker(bind=engine)
+        session = Session()
+
+        self.sqlalchemy_session = session
+        self.sqlalchemy_engine = engine
+
+    def __del__(self):
+        self.sqlalchemy_session.close()
+

lab2/GitLecture/dao/entities.py

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+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy import Column, Integer, String, Date, ForeignKey, Boolean, ForeignKeyConstraint, update, func
+from sqlalchemy.orm import relationship
+
+Base = declarative_base()
+
+class User(Base):
+    __tablename__ = 'Users'
+
+    user_id = Column(Integer, primary_key=True, autoincrement=True)
+    user_login = Column(String(255), nullable=False)
+    user_url = Column(String(255), nullable=False)
+
+    user_lectures = relationship("Lecture")
+
+class Subject(Base):
+    __tablename__ = 'Subjects'
+
+    subject_id = Column(Integer, primary_key=True, autoincrement=True)
+    subject_name = Column(String(255), nullable=False)
+    subject_description = Column(String(255), nullable=False)
+
+
+class Lecture(Base):
+    __tablename__ = 'Lectures'
+
+    lecture_id = Column(Integer, primary_key = True, autoincrement=True)
+    lecture_name = Column(String(255), nullable=False)
+    gitgist_id = Column(String(255), nullable=False)
+    user_id_fk = Column(Integer, ForeignKey('Users.user_id'))
+    subject_id_fk = Column(Integer, ForeignKey('Subjects.subject_id'))
+

lab2/GitLecture/forms/forms.py

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+from flask_wtf import FlaskForm
+from wtforms import StringField, SubmitField, DateField, HiddenField, PasswordField, SelectField, TextAreaField
+from wtforms import validators
+from datetime import date
+from GitLecture.dao.entities import Subject
+from GitLecture.dao.db import PostgresDb
+
+
+class UserForm(FlaskForm):
+    user_id = HiddenField()
+
+    user_login = StringField("Login: ", [
+        validators.DataRequired("Please enter github login."),
+        validators.Length(3, 255, "Login should be from 3 to 255 symbols")
+    ])
+
+    user_password = PasswordField("Password: ", [
+        validators.DataRequired("Please enter password."),
+        validators.Length(3, 255, "Should be from 3 to 255 symbols")
+    ])
+
+    submit = SubmitField("Save")
+
+class SubjectForm(FlaskForm):
+    subject_id = HiddenField()
+
+    subject_name = StringField("Subject name: ", [
+        validators.DataRequired("Please enter subject name."),
+        validators.Length(3, 255, "Login should be from 3 to 255 symbols")
+    ])
+
+    subject_description = StringField("Subject description: ", [
+        validators.DataRequired("Please enter subject name."),
+        validators.Length(3, 255, "Login should be from 3 to 255 symbols")
+    ])
+
+class LectureForm(FlaskForm):
+    lecture_id = HiddenField()
+
+    lecture_name = StringField("Lecture name: ", [
+        validators.DataRequired("Please enter lecture name."),
+        validators.Length(3, 255, "Lecture name should be from 3 to 255 symbols")
+    ])
+
+    user_name = StringField("Login: ", [
+        validators.DataRequired("Please enter user name."),
+        validators.Length(3, 255, "User name should be from 3 to 255 symbols")
+    ])
+
+    user_password = PasswordField("Password: ", [
+        validators.DataRequired("Please enter password."),
+        validators.Length(3, 255, "Should be from 3 to 255 symbols")
+    ])
+
+    subject = SelectField("Subject: ")
+
+    lecture_text = TextAreaField("Lecture text")
+
+class DeleteForm(FlaskForm):
+    delete = HiddenField()