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using HyperBooru.ApiModels;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
namespace HyperBooru.Controllers;
[ApiController]
[Route("/api/tag")]
public class ApiTagController : Controller {
private IDbContextFactory<HBContext> dbFactory;
public ApiTagController(IDbContextFactory<HBContext> dbFactory) =>
this.dbFactory = dbFactory;
[HttpGet("definition")]
public async Task<IActionResult> GetAllTagDefinitionsAsync() {
using var db = dbFactory.CreateDbContext();
var definitions = await db.TagDefinitions
.Include(td => td.ImplicitTags)
.Select(td => (ApiModels.TagDefinition)td)
.ToArrayAsync();
return Ok(definitions);
}
[HttpGet("definition/{tagDefinitionId}")]
public async Task<IActionResult> GetTagDefinitionAsync([FromRoute] Guid tagDefinitionId) {
using var db = dbFactory.CreateDbContext();
var tagDefinition = await db.TagDefinitions
.Include(td => td.ImplicitTags)
.FirstOrDefaultAsync(td => td.Guid == tagDefinitionId);
if(tagDefinition is null)
throw new ObjectNotFoundException([ tagDefinitionId ]);
return Ok(tagDefinition);
}
[HttpPost("definition")]
public async Task<IActionResult> CreateTagDefinitionAsync([FromBody] TagCreateRequest request) {
using var db = dbFactory.CreateDbContext();
using var transaction = await db.Database.BeginTransactionAsync();
var nameExists = db.TagDefinitions.Any(td => td.Name == request.Name);
var aliasExists =
request.Alias is not null && db.TagDefinitions.Any(td => td.Alias == request.Alias);
if(nameExists || aliasExists)
throw new TagDuplicateException(nameExists, aliasExists);
List<TagDefinition> implicitTags = new();
if(request.ImplicitTags is not null) {
implicitTags = await db.TagDefinitions
.Where(td => request.ImplicitTags.Distinct().Contains(td.Guid))
.ToListAsync();
}
var tagDefinition = new TagDefinition {
Source = TagSource.UserTag,
Namespace = request.Namespace,
Name = request.Name,
Alias = request.Alias,
ImplicitTags = implicitTags
};
db.TagDefinitions.Add(tagDefinition);
await db.SaveChangesAsync();
await transaction.CommitAsync();
return Ok((ApiModels.TagDefinition) tagDefinition);
}
[HttpDelete("definition/{tagDefinitionId}")]
public async Task<IActionResult> DeleteTagDefinitionAsync([FromRoute] Guid tagDefinitionId) {
using var db = dbFactory.CreateDbContext();
using var transaction = await db.Database.BeginTransactionAsync();
var tagDefinition = await db.TagDefinitions
.FirstOrDefaultAsync(td => td.Guid == tagDefinitionId);
if(tagDefinition is null)
throw new ObjectNotFoundException([ tagDefinitionId ]);
if(tagDefinition.ObjectId < 0)
throw new ApiModels.ArgumentException("Cannot delete built-in tag definition");
db.TagDefinitions.Remove(tagDefinition);
await db.SaveChangesAsync();
await transaction.CommitAsync();
return Ok();
}
[HttpPatch("definition/{tagDefinitionId}")]
public async Task<IActionResult> UpdateTagDefinitionAsync(
[FromRoute] Guid tagDefinitionId,
[FromBody] TagUpdateRequest request) {
using var db = dbFactory.CreateDbContext();
using var transaction = await db.Database.BeginTransactionAsync();
var tagDefinition = await db.TagDefinitions
.FirstOrDefaultAsync(td => td.Guid == tagDefinitionId);
if(tagDefinition is null)
throw new ObjectNotFoundException([ tagDefinitionId ]);
if(tagDefinition.ObjectId < 0)
throw new ApiModels.ArgumentException("Cannot update built-in tag definition");
var nameExists =
request.Name is not null && db.TagDefinitions.Any(td => td.Name == request.Name);
var aliasExists =
request.Alias is not null && db.TagDefinitions.Any(td => td.Alias == request.Alias);
if(nameExists || aliasExists)
throw new TagDuplicateException(nameExists, aliasExists);
tagDefinition.Namespace = request.Namespace ?? tagDefinition.Namespace;
tagDefinition.Name = request.Name ?? tagDefinition.Name;
tagDefinition.Alias = request.Alias ?? tagDefinition.Alias;
await db.SaveChangesAsync();
await transaction.CommitAsync();
return Ok((ApiModels.TagDefinition) tagDefinition);
}
[HttpPatch("definition/{tagDefinitionId}/implicit")]
public async Task<IActionResult> AddImplicitTagsAsync(
[FromRoute] Guid tagDefinitionId,
[FromBody] Guid[] implicitTagIds) {
using var db = dbFactory.CreateDbContext();
using var transaction = await db.Database.BeginTransactionAsync();
var missing = new List<Guid>();
var tagDefinition = await db.TagDefinitions
.Include(td => td.ImplicitTags)
.FirstOrDefaultAsync(td => td.Guid == tagDefinitionId);
if(tagDefinition is null)
missing.Add(tagDefinitionId);
implicitTagIds = implicitTagIds.Distinct().ToArray();
var implicitTags = db.TagDefinitions
.Where(td => implicitTagIds.Contains(td.Guid))
.ToArray();
missing.AddRange(implicitTagIds.Except(implicitTags.Select(td => td.Guid)));
if(missing.Any())
throw new ObjectNotFoundException(missing);
if(tagDefinition!.ObjectId < 0)
throw new ApiModels.ArgumentException("Cannot update built-in tag definition");
tagDefinition.ImplicitTags.AddRange(
implicitTags.ExceptBy(tagDefinition.ImplicitTags.Select(td => td.Guid), td => td.Guid));
await db.SaveChangesAsync();
await transaction.CommitAsync();
return Ok();
}
[HttpPut("definition/{tagDefinitionId}/implicit")]
public async Task<IActionResult> ReplaceImplicitTagsAsync(
[FromRoute] Guid tagDefinitionId,
[FromBody] Guid[] implicitTagIds) {
using var db = dbFactory.CreateDbContext();
using var transaction = await db.Database.BeginTransactionAsync();
var missing = new List<Guid>();
var tagDefinition = await db.TagDefinitions
.Include(td => td.ImplicitTags)
.FirstOrDefaultAsync(td => td.Guid == tagDefinitionId);
if(tagDefinition is null)
missing.Add(tagDefinitionId);
implicitTagIds = implicitTagIds.Distinct().ToArray();
var implicitTags = db.TagDefinitions
.Where(td => implicitTagIds.Contains(td.Guid))
.ToArray();
missing.AddRange(implicitTagIds.Except(implicitTags.Select(td => td.Guid)));
if(missing.Any())
throw new ObjectNotFoundException(missing);
if(tagDefinition!.ObjectId < 0)
throw new ApiModels.ArgumentException("Cannot update built-in tag definition");
tagDefinition.ImplicitTags.AddRange(
implicitTags.ExceptBy(tagDefinition.ImplicitTags.Select(td => td.Guid), td => td.Guid));
var toRemove = tagDefinition.ImplicitTags
.Where(td => !implicitTags.Select(td => td.Guid).Contains(td.Guid))
.ToArray();
foreach(var td in toRemove)
tagDefinition.ImplicitTags.Remove(td);
await db.SaveChangesAsync();
await transaction.CommitAsync();
return Ok();
}
[HttpPost("definition/{tagDefinitionId}/implicit/delete")]
public async Task<IActionResult> DeleteImplicitTagAsync(
[FromRoute] Guid tagDefinitionId,
[FromBody] Guid[] implicitTagIds) {
using var db = dbFactory.CreateDbContext();
using var transaction = await db.Database.BeginTransactionAsync();
var tagDefinition = await db.TagDefinitions
.Include(td => td.ImplicitTags)
.FirstOrDefaultAsync(td => td.Guid == tagDefinitionId);
if(tagDefinition is null)
throw new ObjectNotFoundException([ tagDefinitionId ]);
if(tagDefinition.ObjectId < 0)
throw new ApiModels.ArgumentException("Cannot update built-in tag definition");
implicitTagIds = implicitTagIds.Distinct().ToArray();
var missingTags = implicitTagIds.Except(tagDefinition.ImplicitTags.Select(td => td.Guid));
if(missingTags.Any())
throw new ObjectNotFoundException(missingTags);
var toRemove = tagDefinition.ImplicitTags
.Where(td => !implicitTagIds.Contains(td.Guid))
.ToArray();
foreach(var td in toRemove)
tagDefinition.ImplicitTags.Remove(td);
await db.SaveChangesAsync();
await transaction.CommitAsync();
return Ok();
}
}
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