possibilité de commander 1 produit

la_chariotte/order/tests.py

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+from django.test import TestCase
+
+# Create your tests here.

la_chariotte/readMe.md

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+Exemple de MCD en markdown avec mermaid : 
+
+
+```mermaid
+erDiagram
+CourseSubmission{
+UUIDField id
+DateTimeField created_on
+DateTimeField updated_on
+CharField title
+DateField date
+FSMField state
+}
+CourseSubmissionProduct{
+UUIDField id
+DateTimeField created_on
+DateTimeField updated_on
+PositiveSmallIntegerField quantity
+}
+Pricing{
+UUIDField id
+DateTimeField created_on
+DateTimeField updated_on
+CharField name
+}
+Product{
+UUIDField id
+DateTimeField created_on
+DateTimeField updated_on
+CharField name
+CharField code
+BooleanField submission_enabled
+}
+ProductPrice{
+UUIDField id
+DateTimeField created_on
+DateTimeField updated_on
+PositiveSmallIntegerField year
+CharField price_type
+DecimalField price_flat
+PositiveSmallIntegerField price_percent
+DecimalField price_percent_minimum
+CharField unit
+}
+ProductPriceRange{
+UUIDField id
+DateTimeField created_on
+DateTimeField updated_on
+PositiveSmallIntegerField range_start
+PositiveSmallIntegerField range_end
+DecimalField unit_price
+DecimalField minimum
+}
+ProductPricePackLine_included_products{
+AutoField id
+}
+ProductPricePackLine{
+UUIDField id
+DateTimeField created_on
+DateTimeField updated_on
+CharField quantity_type
+PositiveSmallIntegerField quantity
+}
+Contract{
+UUIDField id
+DateTimeField created_on
+DateTimeField updated_on
+DateField start
+DateField end
+FileField file
+}
+Transaction_products{
+AutoField id
+}
+Transaction{
+UUIDField id
+DateTimeField created_on
+DateTimeField updated_on
+PositiveIntegerField debit
+PositiveIntegerField credit
+BooleanField unlimited_credit
+}
+Quote{
+UUIDField id
+DateTimeField created_on
+DateTimeField updated_on
+CharField external_ref
+FSMField state
+}
+QuoteLine{
+UUIDField id
+DateTimeField created_on
+DateTimeField updated_on
+TextField label
+DecimalField unit_price
+DecimalField quantity
+}
+Invoice{
+UUIDField id
+DateTimeField created_on
+DateTimeField updated_on
+CharField external_ref
+FSMField state
+}
+InvoiceLine{
+UUIDField id
+DateTimeField created_on
+DateTimeField updated_on
+TextField label
+DecimalField unit_price
+DecimalField quantity
+}
+User{
+CharField password
+DateTimeField last_login
+BooleanField is_superuser
+CharField username
+CharField first_name
+CharField last_name
+EmailField email
+BooleanField is_staff
+BooleanField is_active
+DateTimeField date_joined
+UUIDField id
+DateTimeField created_on
+DateTimeField updated_on
+ManyToManyField groups
+ManyToManyField user_permissions
+}
+Organization{
+UUIDField id
+DateTimeField created_on
+DateTimeField updated_on
+CharField code
+CharField representative
+FileField signature
+FileField logo
+}
+CourseSubmission||--|{User : user
+CourseSubmission||--|{Organization : organization
+CourseSubmissionProduct||--|{CourseSubmission : course_submission
+CourseSubmissionProduct||--|{Product : product
+ProductPrice||--|{Pricing : pricing
+ProductPrice||--|{Product : product
+ProductPriceRange||--|{ProductPrice : product_price
+ProductPricePackLine_included_products||--|{ProductPricePackLine : productpricepackline
+ProductPricePackLine_included_products||--|{Product : product
+ProductPricePackLine||--|{ProductPrice : product_price
+ProductPricePackLine}|--|{Product : included_products
+Contract||--|{Organization : organization
+Contract||--|{Pricing : pricing
+Transaction_products||--|{Transaction : transaction
+Transaction_products||--|{Product : product
+Transaction||--|{Invoice : invoice
+Transaction||--|{CourseSubmission : course_submission
+Transaction}|--|{Product : products
+Quote||--|{Organization : organization
+QuoteLine||--|{Quote : quote
+QuoteLine||--|{Product : product
+Invoice||--|{Organization : organization
+InvoiceLine||--|{Invoice : invoice
+InvoiceLine||--|{Product : product
+Organization||--|{User : representative_user
+Organization||--|{Organization : parent
+
+```