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Initial framework #255
Initial framework #255
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from django.contrib import admin | ||
from unfold.admin import ModelAdmin, TabularInline | ||
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from .models import CaveEntrance, CaveSystem | ||
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class CaveEntranceInline(TabularInline): | ||
model = CaveEntrance | ||
fk_name = "system" | ||
fields = ("name", "region", "country", "coordinates") | ||
readonly_fields = ("coordinates",) | ||
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@admin.register(CaveSystem) | ||
class CaveSystemAdmin(ModelAdmin): | ||
inlines = [CaveEntranceInline] | ||
search_fields = ( | ||
"name", | ||
"user__username", | ||
"user__name", | ||
"user__email", | ||
) | ||
search_help_text = "Search by system name, or author name, email or username." | ||
readonly_fields = ("added", "updated", "uuid") | ||
list_display = ( | ||
"user", | ||
"name", | ||
"added", | ||
"updated", | ||
) | ||
list_display_links = ("name",) | ||
list_filter = ("added", "updated") | ||
ordering = ("-added",) | ||
autocomplete_fields = ("user",) | ||
fieldsets = ( | ||
( | ||
"Cave system", | ||
{ | ||
"fields": ("name",), | ||
}, | ||
), | ||
( | ||
"Internal data", | ||
{ | ||
"fields": ( | ||
"user", | ||
"uuid", | ||
"added", | ||
"updated", | ||
), | ||
}, | ||
), | ||
) | ||
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from django.apps import AppConfig | ||
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class CavesConfig(AppConfig): | ||
default_auto_field = "django.db.models.BigAutoField" | ||
name = "caves" | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. For the snippet you've provided, my detailed review is as follows: General Impressions:This code snippet is part of a Django project's configuration for an app named "caves". It seems quite simple but ensuring best practices and robustness even in small snippets is essential. Bugs:No apparent bugs are present in this code snippet since it’s primarily a configuration setup. Security Vulnerabilities:Nothing specific in this snippet. However, make sure that:
Areas for Improvement:
Best Practices:
Performance Optimizations:The code snippet itself does not have any performance issues to consider, as it’s purely a configuration setting. Additional Considerations:
Final Suggested Snippet:"""
Configuration for the 'caves' application.
"""
from django.apps import AppConfig
class CavesConfig(AppConfig):
default_auto_field = "django.db.models.BigAutoField"
name = "caves" Overall, this snippet is straightforward. Keep up consistent, clean practices, and document your decisions well for future maintainers. |
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# Generated by Django 4.2.3 on 2023-07-29 21:17 | ||
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import uuid | ||
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import django.contrib.gis.db.models.fields | ||
import django.db.models.deletion | ||
import django_countries.fields | ||
from django.conf import settings | ||
from django.db import migrations, models | ||
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class Migration(migrations.Migration): | ||
initial = True | ||
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dependencies = [ | ||
migrations.swappable_dependency(settings.AUTH_USER_MODEL), | ||
] | ||
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operations = [ | ||
migrations.CreateModel( | ||
name="CaveSystem", | ||
fields=[ | ||
( | ||
"id", | ||
models.BigAutoField( | ||
auto_created=True, | ||
primary_key=True, | ||
serialize=False, | ||
verbose_name="ID", | ||
), | ||
), | ||
("name", models.CharField(max_length=100)), | ||
( | ||
"uuid", | ||
models.UUIDField( | ||
default=uuid.uuid4, | ||
editable=False, | ||
unique=True, | ||
verbose_name="UUID", | ||
), | ||
), | ||
("added", models.DateTimeField(auto_now_add=True)), | ||
("updated", models.DateTimeField(auto_now=True)), | ||
( | ||
"user", | ||
models.ForeignKey( | ||
on_delete=django.db.models.deletion.CASCADE, | ||
to=settings.AUTH_USER_MODEL, | ||
), | ||
), | ||
], | ||
), | ||
migrations.CreateModel( | ||
name="CaveEntrance", | ||
fields=[ | ||
( | ||
"id", | ||
models.BigAutoField( | ||
auto_created=True, | ||
primary_key=True, | ||
serialize=False, | ||
verbose_name="ID", | ||
), | ||
), | ||
("name", models.CharField(max_length=255)), | ||
( | ||
"region", | ||
models.CharField( | ||
blank=True, | ||
help_text="The state or region in which the cave is located.", | ||
max_length=100, | ||
), | ||
), | ||
("country", django_countries.fields.CountryField(max_length=2)), | ||
( | ||
"location", | ||
models.CharField( | ||
blank=True, | ||
help_text="Enter a decimal latitude and longitude, address, or place name. Cave locations are not visible to other users.", | ||
max_length=100, | ||
), | ||
), | ||
( | ||
"coordinates", | ||
django.contrib.gis.db.models.fields.PointField( | ||
blank=True, | ||
geography=True, | ||
help_text="The coordinates of the cave in WGS84 format.", | ||
null=True, | ||
srid=4326, | ||
), | ||
), | ||
( | ||
"uuid", | ||
models.UUIDField( | ||
default=uuid.uuid4, | ||
editable=False, | ||
unique=True, | ||
verbose_name="UUID", | ||
), | ||
), | ||
("added", models.DateTimeField(auto_now_add=True)), | ||
("updated", models.DateTimeField(auto_now=True)), | ||
( | ||
"system", | ||
models.ForeignKey( | ||
on_delete=django.db.models.deletion.CASCADE, | ||
related_name="entrances", | ||
to="caves.cavesystem", | ||
), | ||
), | ||
], | ||
), | ||
] | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Sure, I'll provide a detailed review of the code snippet from the Django migration script for Glite Tech's language learning application. Code ReviewGeneral Observations
BugsNo explicit bugs are visible in the provided snippet. However, a few potential issues could exist in the overall implementation:
Security Vulnerabilities
Areas for Improvement
Performance Optimizations
Suggested Code ImprovementsHere's a suggested optimized migration configuration: from django.contrib.gis.db import models as gis_models
from django_countries.fields import CountryField
from django.conf import settings
from django.db import migrations, models
import uuid
class Migration(migrations.Migration):
initial = True
dependencies = [
migrations.swappable_dependency(settings.AUTH_USER_MODEL),
]
operations = [
migrations.CreateModel(
name="CaveSystem",
fields=[
("id", models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name="ID")),
("name", models.CharField(max_length=100)),
("uuid", models.UUIDField(default=uuid.uuid4, editable=False, unique=True, verbose_name="UUID")),
("added", models.DateTimeField(auto_now_add=True)),
("updated", models.DateTimeField(auto_now=True)),
("user", models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
],
options={
"indexes": [
models.Index(fields=["name"]),
models.Index(fields=["uuid"]),
],
},
),
migrations.CreateModel(
name="CaveEntrance",
fields=[
("id", models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name="ID")),
("name", models.CharField(max_length=255)),
("region", models.CharField(blank=True, help_text="The state or region in which the cave is located.", max_length=100)),
("country", CountryField(max_length=2)),
("location", models.CharField(blank=True, help_text="Enter a decimal latitude and longitude, address, or place name. Cave locations are not visible to other users.", max_length=100)),
("coordinates", gis_models.PointField(blank=True, geography=True, help_text="The coordinates of the cave in WGS84 format.", null=True, srid=4326)),
("uuid", models.UUIDField(default=uuid.uuid4, editable=False, unique=True, verbose_name="UUID")),
("added", models.DateTimeField(auto_now_add=True)),
("updated", models.DateTimeField(auto_now=True)),
("system", models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name="entrances", to="caves.cavesystem")),
],
options={
"indexes": [
models.Index(fields=["name"]),
models.Index(fields=["region"]),
models.Index(fields=["country"]),
models.Index(fields=["location"]),
models.Index(fields=["coordinates"]),
models.Index(fields["uuid"]),
],
},
),
] This suggestion includes indexing for better query performance and streamlined imports for clarity. By implementing these suggestions, we can increase maintainability, security, and performance in the long term. |
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import uuid as uuid | ||
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from django.contrib.gis.db import models | ||
from django_countries.fields import CountryField | ||
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class CaveSystemManager(models.Manager): | ||
def by(self, user): | ||
return self.filter(user=user) | ||
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class CaveSystem(models.Model): | ||
name = models.CharField(max_length=100) | ||
uuid = models.UUIDField("UUID", default=uuid.uuid4, editable=False, unique=True) | ||
added = models.DateTimeField(auto_now_add=True) | ||
updated = models.DateTimeField(auto_now=True) | ||
user = models.ForeignKey("users.CavingUser", on_delete=models.CASCADE) | ||
objects = CaveSystemManager() | ||
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def __str__(self): | ||
return self.name | ||
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class CaveEntrance(models.Model): | ||
name = models.CharField(max_length=255) | ||
system = models.ForeignKey( | ||
CaveSystem, on_delete=models.CASCADE, related_name="entrances" | ||
) | ||
region = models.CharField( | ||
max_length=100, | ||
blank=True, | ||
help_text="The state or region in which the cave is located.", | ||
) | ||
country = CountryField() | ||
location = models.CharField( | ||
max_length=100, | ||
blank=True, | ||
help_text=( | ||
"Enter a decimal latitude and longitude, " | ||
"address, or place name. " | ||
"Cave locations are not visible to other users." | ||
), | ||
) | ||
coordinates = models.PointField( | ||
blank=True, | ||
null=True, | ||
geography=True, | ||
help_text="The coordinates of the cave in WGS84 format.", | ||
) | ||
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uuid = models.UUIDField("UUID", default=uuid.uuid4, editable=False, unique=True) | ||
added = models.DateTimeField(auto_now_add=True) | ||
updated = models.DateTimeField(auto_now=True) | ||
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def __str__(self): | ||
return f"{self.name} ({self.system.name})" | ||
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@property | ||
def user(self): | ||
return self.system.user | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. General Feedback
Detailed Review
Final Refactored ModelsHere is the final refactored code: import uuid
from django.contrib.gis.db import models
from django_countries.fields import CountryField
from django.utils.functional import cached_property
class BaseModel(models.Model):
uuid = models.UUIDField("UUID", default=uuid.uuid4, editable=False, unique=True)
added = models.DateTimeField(auto_now_add=True)
updated = models.DateTimeField(auto_now=True)
class Meta:
abstract = True
class CaveSystemManager(models.Manager):
def filter_by_user(self, user):
return self.filter(user=user)
class CaveSystem(BaseModel):
name = models.CharField(max_length=100)
user = models.ForeignKey("users.CavingUser", on_delete=models.CASCADE)
objects = CaveSystemManager()
def __str__(self):
return self.name
class CaveEntrance(BaseModel):
name = models.CharField(max_length=255)
system = models.ForeignKey(CaveSystem, on_delete=models.CASCADE, related_name="entrances")
region = models.CharField(max_length=100, blank=True, help_text="The state or region in which the cave is located.")
country = CountryField()
location = models.CharField(max_length=100, blank=True, help_text="Enter a decimal latitude and longitude, address, or place name. Cave locations are not visible to other users.")
coordinates = models.PointField(blank=True, null=True, geography=True, help_text="The coordinates of the cave in WGS84 format.")
def __str__(self):
return f"{self.name} ({self.system.name})"
@cached_property
def user(self):
return self.system.user By following the above recommendations, your code will be cleaner, more efficient, and maintain consistent style while keeping security considerations in mind. |
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from django.urls import path # noqa F401 | ||
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app_name = "caves" | ||
urlpatterns = [] | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Certainly! Here's a detailed review of the provided code snippet: from django.urls import path # noqa F401
app_name = "caves"
urlpatterns = [] Review Summary:
Bugs:
Security Vulnerabilities:
Areas for Improvement:
Code Style:
Performance Optimizations:
Alternative Implementation:
This structure can help in managing larger sets of URLs by dividing them logically within the application. Conclusion:The given snippet is mostly boilerplate and needs only slight modifications and preparatory comments for future expansion. Always aim for clarity and preparedness for future development when setting up foundational code structures like this. If there are more specific parts of the codebase from the backend, frontend, or iOS app that need review, please share those, and I'd be happy to help further! |
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from django.shortcuts import render # noqa F401 | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Thank you for submitting your pull request. I will review the provided code snippet and address any issues related to bugs, security vulnerabilities, areas for improvement, best practices, code style, and performance optimizations. Given that the snippet is quite limited, I will also share general advice related to the broader tech stack including Python, Lambda, MongoDB, React, and iOS development. Code Review of the Provided Snippet:from django.shortcuts import render # noqa F401 1. Unused Import:
2. Comment (
|
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# Generated by Django 4.2.3 on 2023-07-29 21:17 | ||
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import django.db.models.deletion | ||
from django.db import migrations, models | ||
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class Migration(migrations.Migration): | ||
dependencies = [ | ||
("caves", "0001_initial"), | ||
("logger", "0026_alter_trip_cave_location"), | ||
] | ||
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operations = [ | ||
migrations.AddField( | ||
model_name="trip", | ||
name="entrance", | ||
field=models.ForeignKey( | ||
null=True, | ||
on_delete=django.db.models.deletion.CASCADE, | ||
related_name="trips", | ||
to="caves.caveentrance", | ||
), | ||
), | ||
migrations.AddField( | ||
model_name="trip", | ||
name="system", | ||
field=models.ForeignKey( | ||
null=True, | ||
on_delete=django.db.models.deletion.CASCADE, | ||
related_name="trips", | ||
to="caves.cavesystem", | ||
), | ||
), | ||
] | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Pull Request Review for Migration ScriptGeneral Overview:The migration script adds two new foreign key fields to the Observations & Recommendations:
Conclusion:Overall, the introduced migration appears solid, but careful consideration around data integrity, deletion behaviors, indexing, and consistency checks is crucial. Adhering to high standards in these areas will enhance maintainability and robustness in your application's backend. |
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# Generated by Django 4.2.3 on 2023-07-29 21:25 | ||
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import django.db.models.deletion | ||
from django.db import migrations, models | ||
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class Migration(migrations.Migration): | ||
dependencies = [ | ||
("caves", "0001_initial"), | ||
("logger", "0027_trip_entrance_trip_system"), | ||
] | ||
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operations = [ | ||
migrations.RenameField( | ||
model_name="trip", | ||
old_name="entrance", | ||
new_name="entered_by", | ||
), | ||
migrations.AddField( | ||
model_name="trip", | ||
name="exited_by", | ||
field=models.ForeignKey( | ||
null=True, | ||
on_delete=django.db.models.deletion.CASCADE, | ||
related_name="exits", | ||
to="caves.caveentrance", | ||
), | ||
), | ||
] | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Here is a detailed review of the provided Django migration script for your language learning application: Code Review
Improvements & Best Practices
Security Considerations
Performance Optimizations
Alternative ImplementationsIf the cascade delete behavior is not desired and you want to maintain referential integrity without risking unintentional deletions: field=models.ForeignKey(
null=True,
on_delete=django.db.models.deletion.SET_NULL,
related_name="exits",
to="caves.CaveEntrance",
), This alternative would set the In summary, the provided migration script appears functional, but careful consideration around deletion behaviors, thorough testing, and scrutiny of dependent code are essential steps before deploying the generated schema changes to production. |
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
Code Review for Admin Configuration:
General Observations:
CaveSystem
model using custom configurations.TabularInline
andModelAdmin
indicates attention to organizing related data efficiently in the admin site.Bugs:
CaveEntrance
,CaveSystem
) are correctly set up and functional.Security Vulnerabilities:
added
,updated
,uuid
).Areas for Improvement:
Code Style and Cleanliness:
Performance Optimization:
CaveSystems
, consider indexing fields used frequently in searches, filters, and sorts (added
,updated
,user
). This can be added at the database schema level for performance improvement.Autocomplete Fields Rationalization:
user
field referenced inautocomplete_fields
is properly set up withsearch_fields
to enhance the autocomplete functionality.Explicit Field Options:
"readonly_fields"
include all non-editable timestamps likecreated_at
andlast_modified
if they exist in the model but aren't listed yet.Comprehensive Comments:
Documentation and Best Practices:
By implementing these suggestions, the project will benefit from cleaner code, improved performance, enhanced readability, and maintained security standards.