Django setup

backend/.gitignore

@@ -1,6 +1,7 @@
 ### Django ###
 *.log
 *.pot
+.env
 *.pyc
 __pycache__/
 local_settings.py

backend/Pipfile

@@ -5,6 +5,7 @@ name = "pypi"
 
 [packages]
 django = "*"
+psycopg2-binary = "*"
 
 [dev-packages]
 

backend/backend/models.py

@@ -0,0 +1,56 @@
+# This is an auto-generated Django model module.
+# You'll have to do the following manually to clean this up:
+#   * Rearrange models' order
+#   * Make sure each model has one field with primary_key=True
+#   * Make sure each ForeignKey and OneToOneField has `on_delete` set to the desired behavior
+#   * Remove `managed = False` lines if you wish to allow Django to create, modify, and delete the table
+# Feel free to rename the models, but don't rename db_table values or field names.
+from django.db import models
+
+class Food(models.Model):
+    fdc_id = models.IntegerField(primary_key=True)
+    data_type = models.CharField(max_length=50, blank=True, null=True)
+    description = models.CharField(max_length=300, blank=True, null=True)
+    food_category_id = models.IntegerField()
+    publication_date = models.DateField(blank=True, null=True)
+
+    class Meta:
+        managed = False
+        db_table = 'food'
+
+
+class FoodNutrient(models.Model):
+    fdc_id = models.IntegerField(blank=True, null=True)
+    nutrient_id = models.IntegerField(blank=True, null=True)
+    amount = models.FloatField(blank=True, null=True)
+    data_points = models.IntegerField(blank=True, null=True)
+    derivation_id = models.IntegerField(blank=True, null=True)
+    min = models.FloatField(blank=True, null=True)
+    max = models.FloatField(blank=True, null=True)
+    median = models.FloatField(blank=True, null=True)
+    footnote = models.CharField(max_length=300, blank=True, null=True)
+    min_year_acquired = models.CharField(max_length=50, blank=True, null=True)
+
+    class Meta:
+        managed = False
+        db_table = 'food_nutrient'
+
+
+class Nutrient(models.Model):
+    name = models.TextField(blank=True, null=True)
+    unit_name = models.CharField(max_length=100, blank=True, null=True)
+    rank = models.FloatField(blank=True, null=True)
+    nutrient_nbr = models.FloatField(blank=True, null=True)
+
+    class Meta:
+        managed = False
+        db_table = 'nutrient'
+
+
+class Test(models.Model):
+    first_name = models.CharField(max_length=50, blank=True, null=True)
+    last_name = models.CharField(max_length=50, blank=True, null=True)
+
+    class Meta:
+        managed = False
+        db_table = 'test'

backend/backend/settings.py

@@ -10,6 +10,7 @@
 https://docs.djangoproject.com/en/5.0/ref/settings/
 """
 
+import os
 from pathlib import Path
 
 # Build paths inside the project like this: BASE_DIR / 'subdir'.
@@ -37,6 +38,7 @@
     'django.contrib.sessions',
     'django.contrib.messages',
     'django.contrib.staticfiles',
+    'backend',
 ]
 
 MIDDLEWARE = [
@@ -75,12 +77,15 @@
 
 DATABASES = {
     'default': {
-        'ENGINE': 'django.db.backends.sqlite3',
-        'NAME': BASE_DIR / 'db.sqlite3',
+        'ENGINE': 'django.db.backends.postgresql',
+        'NAME': 'postgres',
+        'USER': 'postgres',
+        'PASSWORD':os.environ.get('DB_PW'),
+        'HOST': 'localhost',
+        'PORT': 5432,
     }
 }
 
-
 # Password validation
 # https://docs.djangoproject.com/en/5.0/ref/settings/#auth-password-validators
 

backend/backend/urls.py

@@ -17,6 +17,10 @@
 from django.contrib import admin
 from django.urls import path
 
+from . import views
+
 urlpatterns = [
     path('admin/', admin.site.urls),
+    path('api/nutrients', views.get_nutrients, name="status"),
+    path('api/randomItem', views.get_random_item, name="randomItem"),
 ]

backend/backend/views.py

@@ -0,0 +1,34 @@
+import random
+
+from django.http import HttpResponse
+
+from .models import Food
+
+random.seed()
+
+# Views
+
+def get_nutrients(request):
+    # Return HTTP response
+    if request.method == "GET":
+        result = []
+        for item in Food.objects.all():
+             result.append({"description": item.description, "fdc_id": item.fdc_id})
+        return HttpResponse(result,status=200)
+    else:
+        return HttpResponse(status=502)
+
+# Retrieve list of foods and categories
+
+# Submit request information
+
+# Builds response
+
+# Builds recommendations
+
+
+# Retrieve random food item.
+def get_random_item(request):
+        rand = str(random.randint(167512,175304))
+        query = Food.objects.get(fdc_id=rand)
+        return HttpResponse(query.description,status=200)