Migrate to GraphQL

[codecakes]

Changes are as per: https://github.com/myhealthconnectsociety/project-healthcare/blob/715df4a91a4a6b0ff09c4c7915c5e4ff40843919/docs/roadmap.md

Summary by Sourcery

Introduce a GraphQL API with initial mocked data for patients, diagnosis queries, and facilities.

New Features:

• Implemented a GraphQL API using Strawberry GraphQL.

Tests:

• Added a GraphQL test application that can be run with hypercorn.

[sourcery-ai]

Reviewer's Guide by Sourcery

This pull request migrates the project to use GraphQL for its API. It includes the initial setup of the GraphQL schema, resolvers with mocked data, and necessary configurations. The changes also include updates to the project's documentation and dependencies.

Sequence diagram for GraphQL query flow

sequenceDiagram
    participant Client
    participant GraphQL
    participant Resolver
    participant MockData

    Client->>GraphQL: Query (patients/diagnosis/facilities)
    GraphQL->>Resolver: Forward Query
    Resolver->>MockData: Get Mock Data
    MockData-->>Resolver: Return Mocked Response
    Resolver-->>GraphQL: Resolved Data
    GraphQL-->>Client: Query Response

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Class diagram for GraphQL types and models

classDiagram
    class Patient {
        +str cust_id
        +str query
        +GeoLocation geo_location
    }

    class Provider {
        +str id
        +str name
    }

    class Query {
        +patients(): List[PatientType]
        +diagnosis(): DiagnosisQueryType
        +facilities(): FacilitiesResultType
    }

    class FacilitiesResultType {
        +str name
        +AddressType address
        +GeoLocationType geolocation
        +str contact
        +str facility_type
        +str ownership
        +List[str] specialties
        +int stars
        +int reviews
        +int rank
        +float estimated_time
    }

    Query ..> Patient: returns
    Query ..> Provider: returns

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File-Level Changes

Change	Details	Files
GraphQL schema definition and initial resolvers	Defined GraphQL types for Patient, Query, and other related entities. Implemented initial resolvers with mocked data for queries like patients, diagnosis, and facilities. Set up a basic GraphQL schema using Strawberry.	xcov19/app/graphql/schema.py xcov19/app/graphql/resolvers.py
Updated documentation to reflect GraphQL changes	Modified the roadmap to include GraphQL schema design and implementation details. Updated the task list to reflect the new GraphQL queries. Added a section for quickly testing the GraphQL application.	docs/roadmap.md
Added GraphQL dependencies and updated project configuration	Added strawberry-graphql to the project dependencies. Updated poetry.lock to include the new dependency.	pyproject.toml poetry.lock
Added GraphQL inputs	Added PatientInput for GraphQL mutations.	xcov19/app/graphql/inputs.py
Updated Patient model	Added a default value to the geo_location field.	xcov19/domain/models/patient.py
Removed unused file	Removed the common.py file.	xcov19/domain/common.py

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