Merge pull request #11 from python-discord/ks123/models

6 files changed, 263 insertions, 130 deletions

diff --git a/backend/constants.py b/backend/constants.py
index 746e277..3b8bec8 100644
--- a/backend/constants.py
+++ b/backend/constants.py
@@ -3,6 +3,8 @@ load_dotenv()
 
 import os  # noqa
 import binascii  # noqa
+from enum import Enum  # noqa
+
 
 DATABASE_URL = os.getenv("DATABASE_URL")
 MONGO_DATABASE = os.getenv("MONGO_DATABASE", "pydis_forms")
@@ -15,3 +17,42 @@ OAUTH2_REDIRECT_URI = os.getenv(
 )
 
 SECRET_KEY = os.getenv("SECRET_KEY", binascii.hexlify(os.urandom(30)).decode())
+
+QUESTION_TYPES = [
+    "radio",
+    "checkbox",
+    "select",
+    "short_text",
+    "textarea",
+    "code",
+    "range",
+    "section",
+]
+
+REQUIRED_QUESTION_TYPE_DATA = {
+    "radio": {
+        "options": list,
+    },
+    "select": {
+        "options": list,
+    },
+    "code": {
+        "language": str,
+    },
+    "range": {
+        "options": list,
+    },
+    "section": {
+        "text": str,
+    },
+}
+
+
+class FormFeatures(Enum):
+    """Lists form features. Read more in SCHEMA.md."""
+
+    DISCOVERABLE = "DISCOVERABLE"
+    REQUIRES_LOGIN = "REQUIRES_LOGIN"
+    OPEN = "OPEN"
+    COLLECT_EMAIL = "COLLECT_EMAIL"
+    DISABLE_ANTISPAM = "DISABLE_ANTISPAM"
diff --git a/backend/models/__init__.py b/backend/models/__init__.py
new file mode 100644
index 0000000..80abf6f
--- /dev/null
+++ b/backend/models/__init__.py
@@ -0,0 +1,4 @@
+from .form import Form
+from .question import Question
+
+__all__ = ["Form", "Question"]
diff --git a/backend/models/form.py b/backend/models/form.py
new file mode 100644
index 0000000..d0f0a3c
--- /dev/null
+++ b/backend/models/form.py
@@ -0,0 +1,27 @@
+import typing as t
+
+from pydantic import BaseModel, Field, validator
+
+from backend.constants import FormFeatures
+from backend.models import Question
+
+
+class Form(BaseModel):
+    """Schema model for form."""
+
+    id: str = Field(alias="_id")
+    features: t.List[str]
+    questions: t.List[Question]
+
+    @validator("features")
+    def validate_features(self, value: t.List[str]) -> t.Optional[t.List[str]]:
+        """Validates is all features in allowed list."""
+        # Uppercase everything to avoid mixed case in DB
+        value = [v.upper() for v in value]
+        if not all(v in FormFeatures.__members__.values() for v in value):
+            raise ValueError("Form features list contains one or more invalid values.")
+
+        if FormFeatures.COLLECT_EMAIL in value and FormFeatures.REQUIRES_LOGIN not in value:  # noqa
+            raise ValueError("COLLECT_EMAIL feature require REQUIRES_LOGIN feature.")
+
+        return value
diff --git a/backend/models/question.py b/backend/models/question.py
new file mode 100644
index 0000000..2324a47
--- /dev/null
+++ b/backend/models/question.py
@@ -0,0 +1,54 @@
+import typing as t
+
+from pydantic import BaseModel, Field, validator
+
+from backend.constants import QUESTION_TYPES, REQUIRED_QUESTION_TYPE_DATA
+
+
+class Question(BaseModel):
+    """Schema model for form question."""
+
+    id: str = Field(alias="_id")
+    name: str
+    type: str
+    data: t.Dict[str, t.Any]
+
+    @validator("type", pre=True)
+    def validate_question_type(self, value: str) -> t.Optional[str]:
+        """Checks if question type in currently allowed types list."""
+        value = value.lower()
+        if value not in QUESTION_TYPES:
+            raise ValueError(
+                f"{value} is not valid question type. "
+                f"Allowed question types: {QUESTION_TYPES}."
+            )
+
+        return value
+
+    @validator("data")
+    def validate_question_data(
+            self,
+            value: t.Dict[str, t.Any]
+    ) -> t.Optional[t.Dict[str, t.Any]]:
+        """Check does required data exists for question type and remove other data."""
+        # When question type don't need data, don't add anything to keep DB clean.
+        if self.type not in REQUIRED_QUESTION_TYPE_DATA:
+            return {}
+
+        # Required keys (and values) will be stored to here
+        # to remove all unnecessary stuff
+        result = {}
+
+        for key, data_type in REQUIRED_QUESTION_TYPE_DATA[self.type].items():
+            if key not in value:
+                raise ValueError(f"Required question data key '{key}' not provided.")
+
+            if not isinstance(value[key], data_type):
+                raise ValueError(
+                    f"Question data key '{key}' expects {data_type.__name__}, "
+                    f"got {type(value[key]).__name__} instead."
+                )
+
+            result[key] = value[key]
+
+        return result
diff --git a/poetry.lock b/poetry.lock
index 4ff5822..665cb24 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,35 +1,34 @@
 [[package]]
-category = "main"
-description = "Python package for providing Mozilla's CA Bundle."
 name = "certifi"
+version = "2020.11.8"
+description = "Python package for providing Mozilla's CA Bundle."
+category = "main"
 optional = false
 python-versions = "*"
-version = "2020.11.8"
 
 [[package]]
-category = "main"
-description = "Composable command line interface toolkit"
 name = "click"
+version = "7.1.2"
+description = "Composable command line interface toolkit"
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
-version = "7.1.2"
 
 [[package]]
-category = "main"
-description = "Cross-platform colored terminal text."
-marker = "sys_platform == \"win32\""
 name = "colorama"
+version = "0.4.4"
+description = "Cross-platform colored terminal text."
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
-version = "0.4.4"
 
 [[package]]
-category = "dev"
-description = "the modular source code checker: pep8 pyflakes and co"
 name = "flake8"
+version = "3.8.4"
+description = "the modular source code checker: pep8 pyflakes and co"
+category = "dev"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,>=2.7"
-version = "3.8.4"
 
 [package.dependencies]
 mccabe = ">=0.6.0,<0.7.0"
@@ -37,48 +36,45 @@ pycodestyle = ">=2.6.0a1,<2.7.0"
 pyflakes = ">=2.2.0,<2.3.0"
 
 [[package]]
-category = "dev"
-description = "Flake8 Type Annotation Checks"
 name = "flake8-annotations"
+version = "2.4.1"
+description = "Flake8 Type Annotation Checks"
+category = "dev"
 optional = false
 python-versions = ">=3.6.1,<4.0.0"
-version = "2.4.1"
 
 [package.dependencies]
 flake8 = ">=3.7,<3.9"
 
 [[package]]
-category = "main"
-description = "WSGI HTTP Server for UNIX"
 name = "gunicorn"
+version = "20.0.4"
+description = "WSGI HTTP Server for UNIX"
+category = "main"
 optional = false
 python-versions = ">=3.4"
-version = "20.0.4"
-
-[package.dependencies]
-setuptools = ">=3.0"
 
 [package.extras]
-eventlet = ["eventlet (>=0.9.7)"]
+tornado = ["tornado (>=0.2)"]
 gevent = ["gevent (>=0.13)"]
 setproctitle = ["setproctitle"]
-tornado = ["tornado (>=0.2)"]
+eventlet = ["eventlet (>=0.9.7)"]
 
 [[package]]
-category = "main"
-description = "A pure-Python, bring-your-own-I/O implementation of HTTP/1.1"
 name = "h11"
+version = "0.11.0"
+description = "A pure-Python, bring-your-own-I/O implementation of HTTP/1.1"
+category = "main"
 optional = false
 python-versions = "*"
-version = "0.11.0"
 
 [[package]]
-category = "main"
-description = "A minimal low-level HTTP client."
 name = "httpcore"
+version = "0.12.2"
+description = "A minimal low-level HTTP client."
+category = "main"
 optional = false
 python-versions = ">=3.6"
-version = "0.12.2"
 
 [package.dependencies]
 h11 = "<1.0.0"
@@ -88,234 +84,220 @@ sniffio = ">=1.0.0,<2.0.0"
 http2 = ["h2 (>=3,<5)"]
 
 [[package]]
-category = "main"
-description = "A collection of framework independent HTTP protocol utils."
-marker = "sys_platform != \"win32\" and sys_platform != \"cygwin\" and platform_python_implementation != \"PyPy\""
 name = "httptools"
+version = "0.1.1"
+description = "A collection of framework independent HTTP protocol utils."
+category = "main"
 optional = false
 python-versions = "*"
-version = "0.1.1"
 
 [package.extras]
-test = ["Cython (0.29.14)"]
+test = ["Cython (==0.29.14)"]
 
 [[package]]
-category = "main"
-description = "The next generation HTTP client."
 name = "httpx"
+version = "0.16.1"
+description = "The next generation HTTP client."
+category = "main"
 optional = false
 python-versions = ">=3.6"
-version = "0.16.1"
 
 [package.dependencies]
 certifi = "*"
 httpcore = ">=0.12.0,<0.13.0"
+rfc3986 = {version = ">=1.3,<2", extras = ["idna2008"]}
 sniffio = "*"
 
-[package.dependencies.rfc3986]
-extras = ["idna2008"]
-version = ">=1.3,<2"
-
 [package.extras]
 brotli = ["brotlipy (>=0.7.0,<0.8.0)"]
 http2 = ["h2 (>=3.0.0,<4.0.0)"]
 
 [[package]]
-category = "main"
-description = "Internationalized Domain Names in Applications (IDNA)"
 name = "idna"
+version = "2.10"
+description = "Internationalized Domain Names in Applications (IDNA)"
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "2.10"
 
 [[package]]
-category = "dev"
-description = "McCabe checker, plugin for flake8"
 name = "mccabe"
+version = "0.6.1"
+description = "McCabe checker, plugin for flake8"
+category = "dev"
 optional = false
 python-versions = "*"
-version = "0.6.1"
 
 [[package]]
-category = "main"
-description = "Python dictionary with automatic and arbitrary levels of nestedness"
 name = "nested-dict"
+version = "1.61"
+description = "Python dictionary with automatic and arbitrary levels of nestedness"
+category = "main"
 optional = false
 python-versions = "*"
-version = "1.61"
 
 [[package]]
-category = "dev"
-description = "Python style guide checker"
 name = "pycodestyle"
+version = "2.6.0"
+description = "Python style guide checker"
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "2.6.0"
 
 [[package]]
-category = "dev"
-description = "passive checker of Python programs"
+name = "pydantic"
+version = "1.7.2"
+description = "Data validation and settings management using python 3.6 type hinting"
+category = "main"
+optional = false
+python-versions = ">=3.6"
+
+[package.extras]
+dotenv = ["python-dotenv (>=0.10.4)"]
+typing_extensions = ["typing-extensions (>=3.7.2)"]
+email = ["email-validator (>=1.0.3)"]
+
+[[package]]
 name = "pyflakes"
+version = "2.2.0"
+description = "passive checker of Python programs"
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "2.2.0"
 
 [[package]]
-category = "main"
-description = "JSON Web Token implementation in Python"
 name = "pyjwt"
+version = "1.7.1"
+description = "JSON Web Token implementation in Python"
+category = "main"
 optional = false
 python-versions = "*"
-version = "1.7.1"
 
 [package.extras]
+test = ["pytest (>=4.0.1,<5.0.0)", "pytest-cov (>=2.6.0,<3.0.0)", "pytest-runner (>=4.2,<5.0.0)"]
 crypto = ["cryptography (>=1.4)"]
 flake8 = ["flake8", "flake8-import-order", "pep8-naming"]
-test = ["pytest (>=4.0.1,<5.0.0)", "pytest-cov (>=2.6.0,<3.0.0)", "pytest-runner (>=4.2,<5.0.0)"]
 
 [[package]]
-category = "main"
-description = "Python driver for MongoDB <http://www.mongodb.org>"
 name = "pymongo"
+version = "3.11.1"
+description = "Python driver for MongoDB <http://www.mongodb.org>"
+category = "main"
 optional = false
 python-versions = "*"
-version = "3.11.1"
 
 [package.extras]
-aws = ["pymongo-auth-aws (<2.0.0)"]
+tls = ["ipaddress"]
 encryption = ["pymongocrypt (<2.0.0)"]
+aws = ["pymongo-auth-aws (<2.0.0)"]
 gssapi = ["pykerberos"]
-ocsp = ["pyopenssl (>=17.2.0)", "requests (<3.0.0)", "service-identity (>=18.1.0)"]
 snappy = ["python-snappy"]
 srv = ["dnspython (>=1.16.0,<1.17.0)"]
-tls = ["ipaddress"]
 zstd = ["zstandard"]
+ocsp = ["pyopenssl (>=17.2.0)", "requests (<3.0.0)", "service-identity (>=18.1.0)"]
 
 [[package]]
-category = "main"
-description = "Add .env support to your django/flask apps in development and deployments"
 name = "python-dotenv"
+version = "0.14.0"
+description = "Add .env support to your django/flask apps in development and deployments"
+category = "main"
 optional = false
 python-versions = "*"
-version = "0.14.0"
 
 [package.extras]
 cli = ["click (>=5.0)"]
 
 [[package]]
-category = "main"
-description = "YAML parser and emitter for Python"
 name = "pyyaml"
+version = "5.3.1"
+description = "YAML parser and emitter for Python"
+category = "main"
 optional = false
 python-versions = "*"
-version = "5.3.1"
 
 [[package]]
-category = "main"
-description = "Validating URI References per RFC 3986"
 name = "rfc3986"
+version = "1.4.0"
+description = "Validating URI References per RFC 3986"
+category = "main"
 optional = false
 python-versions = "*"
-version = "1.4.0"
 
 [package.dependencies]
-[package.dependencies.idna]
-optional = true
-version = "*"
+idna = {version = "*", optional = true, markers = "extra == \"idna2008\""}
 
 [package.extras]
 idna2008 = ["idna"]
 
 [[package]]
-category = "main"
-description = "Sniff out which async library your code is running under"
 name = "sniffio"
+version = "1.2.0"
+description = "Sniff out which async library your code is running under"
+category = "main"
 optional = false
 python-versions = ">=3.5"
-version = "1.2.0"
 
 [[package]]
-category = "main"
-description = "The little ASGI library that shines."
 name = "starlette"
+version = "0.13.8"
+description = "The little ASGI library that shines."
+category = "main"
 optional = false
 python-versions = ">=3.6"
-version = "0.13.8"
 
 [package.extras]
 full = ["aiofiles", "graphene", "itsdangerous", "jinja2", "python-multipart", "pyyaml", "requests", "ujson"]
 
 [[package]]
-category = "main"
-description = "The lightning-fast ASGI server."
 name = "uvicorn"
+version = "0.12.3"
+description = "The lightning-fast ASGI server."
+category = "main"
 optional = false
 python-versions = "*"
-version = "0.12.2"
 
 [package.dependencies]
-click = ">=7.0.0,<8.0.0"
+PyYAML = {version = ">=5.1", optional = true, markers = "extra == \"standard\""}
+uvloop = {version = ">=0.14.0", optional = true, markers = "sys_platform != \"win32\" and sys_platform != \"cygwin\" and platform_python_implementation != \"PyPy\" and extra == \"standard\""}
 h11 = ">=0.8"
-
-[package.dependencies.PyYAML]
-optional = true
-version = ">=5.1"
-
-[package.dependencies.colorama]
-optional = true
-version = ">=0.4"
-
-[package.dependencies.httptools]
-optional = true
-version = ">=0.1.0,<0.2.0"
-
-[package.dependencies.python-dotenv]
-optional = true
-version = ">=0.13"
-
-[package.dependencies.uvloop]
-optional = true
-version = ">=0.14.0"
-
-[package.dependencies.watchgod]
-optional = true
-version = ">=0.6,<0.7"
-
-[package.dependencies.websockets]
-optional = true
-version = ">=8.0.0,<9.0.0"
+watchgod = {version = ">=0.6,<0.7", optional = true, markers = "extra == \"standard\""}
+httptools = {version = ">=0.1.0,<0.2.0", optional = true, markers = "sys_platform != \"win32\" and sys_platform != \"cygwin\" and platform_python_implementation != \"PyPy\" and extra == \"standard\""}
+colorama = {version = ">=0.4", optional = true, markers = "sys_platform == \"win32\" and extra == \"standard\""}
+python-dotenv = {version = ">=0.13", optional = true, markers = "extra == \"standard\""}
+click = ">=7.0.0,<8.0.0"
+websockets = {version = ">=8.0.0,<9.0.0", optional = true, markers = "extra == \"standard\""}
 
 [package.extras]
 standard = ["websockets (>=8.0.0,<9.0.0)", "watchgod (>=0.6,<0.7)", "python-dotenv (>=0.13)", "PyYAML (>=5.1)", "httptools (>=0.1.0,<0.2.0)", "uvloop (>=0.14.0)", "colorama (>=0.4)"]
 
 [[package]]
-category = "main"
-description = "Fast implementation of asyncio event loop on top of libuv"
-marker = "sys_platform != \"win32\" and sys_platform != \"cygwin\" and platform_python_implementation != \"PyPy\""
 name = "uvloop"
+version = "0.14.0"
+description = "Fast implementation of asyncio event loop on top of libuv"
+category = "main"
 optional = false
 python-versions = "*"
-version = "0.14.0"
 
 [[package]]
-category = "main"
-description = "Simple, modern file watching and code reload in python."
 name = "watchgod"
+version = "0.6"
+description = "Simple, modern file watching and code reload in python."
+category = "main"
 optional = false
 python-versions = ">=3.5"
-version = "0.6"
 
 [[package]]
-category = "main"
-description = "An implementation of the WebSocket Protocol (RFC 6455 & 7692)"
 name = "websockets"
+version = "8.1"
+description = "An implementation of the WebSocket Protocol (RFC 6455 & 7692)"
+category = "main"
 optional = false
 python-versions = ">=3.6.1"
-version = "8.1"
 
 [metadata]
-content-hash = "9f434cb3b530e607b34f6b26c5c0314b40597d76b899316d35f4122c3d675eec"
+lock-version = "1.1"
 python-versions = "^3.9"
+content-hash = "4b12ca2ac95ff86f810d6bd0546b24af82e638f552fa563d7d288fb8284b0872"
 
 [metadata.files]
 certifi = [
@@ -383,6 +365,30 @@ pycodestyle = [
     {file = "pycodestyle-2.6.0-py2.py3-none-any.whl", hash = "sha256:2295e7b2f6b5bd100585ebcb1f616591b652db8a741695b3d8f5d28bdc934367"},
     {file = "pycodestyle-2.6.0.tar.gz", hash = "sha256:c58a7d2815e0e8d7972bf1803331fb0152f867bd89adf8a01dfd55085434192e"},
 ]
+pydantic = [
+    {file = "pydantic-1.7.2-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:dfaa6ed1d509b5aef4142084206584280bb6e9014f01df931ec6febdad5b200a"},
+    {file = "pydantic-1.7.2-cp36-cp36m-manylinux1_i686.whl", hash = "sha256:2182ba2a9290964b278bcc07a8d24207de709125d520efec9ad6fa6f92ee058d"},
+    {file = "pydantic-1.7.2-cp36-cp36m-manylinux2014_i686.whl", hash = "sha256:0fe8b45d31ae53d74a6aa0bf801587bd49970070eac6a6326f9fa2a302703b8a"},
+    {file = "pydantic-1.7.2-cp36-cp36m-manylinux2014_x86_64.whl", hash = "sha256:01f0291f4951580f320f7ae3f2ecaf0044cdebcc9b45c5f882a7e84453362420"},
+    {file = "pydantic-1.7.2-cp36-cp36m-win_amd64.whl", hash = "sha256:4ba6b903e1b7bd3eb5df0e78d7364b7e831ed8b4cd781ebc3c4f1077fbcb72a4"},
+    {file = "pydantic-1.7.2-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:b11fc9530bf0698c8014b2bdb3bbc50243e82a7fa2577c8cfba660bcc819e768"},
+    {file = "pydantic-1.7.2-cp37-cp37m-manylinux1_i686.whl", hash = "sha256:a3c274c49930dc047a75ecc865e435f3df89715c775db75ddb0186804d9b04d0"},
+    {file = "pydantic-1.7.2-cp37-cp37m-manylinux2014_i686.whl", hash = "sha256:c68b5edf4da53c98bb1ccb556ae8f655575cb2e676aef066c12b08c724a3f1a1"},
+    {file = "pydantic-1.7.2-cp37-cp37m-manylinux2014_x86_64.whl", hash = "sha256:95d4410c4e429480c736bba0db6cce5aaa311304aea685ebcf9ee47571bfd7c8"},
+    {file = "pydantic-1.7.2-cp37-cp37m-win_amd64.whl", hash = "sha256:a2fc7bf77ed4a7a961d7684afe177ff59971828141e608f142e4af858e07dddc"},
+    {file = "pydantic-1.7.2-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:b9572c0db13c8658b4a4cb705dcaae6983aeb9842248b36761b3fbc9010b740f"},
+    {file = "pydantic-1.7.2-cp38-cp38-manylinux1_i686.whl", hash = "sha256:f83f679e727742b0c465e7ef992d6da4a7e5268b8edd8fdaf5303276374bef52"},
+    {file = "pydantic-1.7.2-cp38-cp38-manylinux2014_i686.whl", hash = "sha256:e5fece30e80087d9b7986104e2ac150647ec1658c4789c89893b03b100ca3164"},
+    {file = "pydantic-1.7.2-cp38-cp38-manylinux2014_x86_64.whl", hash = "sha256:ce2d452961352ba229fe1e0b925b41c0c37128f08dddb788d0fd73fd87ea0f66"},
+    {file = "pydantic-1.7.2-cp38-cp38-win_amd64.whl", hash = "sha256:fc21a37ff3f545de80b166e1735c4172b41b017948a3fb2d5e2f03c219eac50a"},
+    {file = "pydantic-1.7.2-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:c9760d1556ec59ff745f88269a8f357e2b7afc75c556b3a87b8dda5bc62da8ba"},
+    {file = "pydantic-1.7.2-cp39-cp39-manylinux1_i686.whl", hash = "sha256:2c1673633ad1eea78b1c5c420a47cd48717d2ef214c8230d96ca2591e9e00958"},
+    {file = "pydantic-1.7.2-cp39-cp39-manylinux2014_i686.whl", hash = "sha256:388c0c26c574ff49bad7d0fd6ed82fbccd86a0473fa3900397d3354c533d6ebb"},
+    {file = "pydantic-1.7.2-cp39-cp39-manylinux2014_x86_64.whl", hash = "sha256:ab1d5e4d8de00575957e1c982b951bffaedd3204ddd24694e3baca3332e53a23"},
+    {file = "pydantic-1.7.2-cp39-cp39-win_amd64.whl", hash = "sha256:f045cf7afb3352a03bc6cb993578a34560ac24c5d004fa33c76efec6ada1361a"},
+    {file = "pydantic-1.7.2-py3-none-any.whl", hash = "sha256:6665f7ab7fbbf4d3c1040925ff4d42d7549a8c15fe041164adfe4fc2134d4cce"},
+    {file = "pydantic-1.7.2.tar.gz", hash = "sha256:c8200aecbd1fb914e1bd061d71a4d1d79ecb553165296af0c14989b89e90d09b"},
+]
 pyflakes = [
     {file = "pyflakes-2.2.0-py2.py3-none-any.whl", hash = "sha256:0d94e0e05a19e57a99444b6ddcf9a6eb2e5c68d3ca1e98e90707af8152c90a92"},
     {file = "pyflakes-2.2.0.tar.gz", hash = "sha256:35b2d75ee967ea93b55750aa9edbbf72813e06a66ba54438df2cfac9e3c27fc8"},
@@ -489,8 +495,8 @@ starlette = [
     {file = "starlette-0.13.8.tar.gz", hash = "sha256:82df29b2149437ad828a883674bf031788600c876dae50835e98398bd1706183"},
 ]
 uvicorn = [
-    {file = "uvicorn-0.12.2-py3-none-any.whl", hash = "sha256:e5dbed4a8a44c7b04376021021d63798d6a7bcfae9c654a0b153577b93854fba"},
-    {file = "uvicorn-0.12.2.tar.gz", hash = "sha256:8ff7495c74b8286a341526ff9efa3988ebab9a4b2f561c7438c3cb420992d7dd"},
+    {file = "uvicorn-0.12.3-py3-none-any.whl", hash = "sha256:562ef6aaa8fa723ab6b82cf9e67a774088179d0ec57cb17e447b15d58b603bcf"},
+    {file = "uvicorn-0.12.3.tar.gz", hash = "sha256:5836edaf4d278fe67ba0298c0537bdb6398cf359eb644f79e6500ca1aad232b3"},
 ]
 uvloop = [
     {file = "uvloop-0.14.0-cp35-cp35m-macosx_10_11_x86_64.whl", hash = "sha256:08b109f0213af392150e2fe6f81d33261bb5ce968a288eb698aad4f46eb711bd"},
diff --git a/pyproject.toml b/pyproject.toml
index 999f45c..bddfb0e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,6 +15,7 @@ python-dotenv = "^0.14.0"
 pyjwt = "^1.7.1"
 httpx = "^0.16.1"
 gunicorn = "^20.0.4"
+pydantic = "^1.7.2"
 
 [tool.poetry.dev-dependencies]
 flake8 = "^3.8.4"