The Data Access Layer (DAL) is a .Net Core 3.1 library that provides access to the datasource. It is the only way to acces the database.

It provides access through the design pattern of Services. Each service provides functions which can interact with objects within the datasource.

The DAL enforces authentication and authorization accross all functions to ensure users only have access and abilities that match their claims.

The following services are supported;

Name	Description
User	User activation, Manage Access Requests
Lookup	Various lists and select options
Property	Search for properties
Building	Building CRUD
Parcel	Parcel CRUD
Project	Project CRUD
Workflow	Fetch project workflows
Project Status	Fetch project status
Task	Fetch project tasks
Project Notification	Fetch project notifications
Notification Template	Fetch notification templates
Notification Queue	Access notification queue

Additionally there are the following admin services;

Name	Description
Agency	Manage agencies
User	Manage users
Role	Manage roles
Claim	Manage claims
Address	Address CRUD
City	Manage cities
Province	Manage provinces
Property Classification	Manage property classifications
Property Type	Manage property types
Building Construction Type	Manage building construction types
Building Predominate Use	Manage building predominate uses
Project Risk	Manage project risks
Project Status	Manage project status
Tier Level	Manage project tier levels
Workflow	Manage Light Workflow Engine