187 lines
6.5 KiB
C#
187 lines
6.5 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading.Tasks;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.EntityFrameworkCore;
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namespace ScrumTaskboard.Controllers
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{
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/// <summary>
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/// This is a controller of Userstories class includes all API's related to the Userstories.
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/// </summary>
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[Route("[controller]")]
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[ApiController]
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public class UserstoriesController : ControllerBase
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{
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private readonly TaskContext _context;
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/// <summary>
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/// Initializes a new instance of the class.
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/// </summary>
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/// <param name="context"></param>
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public UserstoriesController(TaskContext context)
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{
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_context = context;
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}
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// GET: api/userstories
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/// <summary>
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/// Retrieve all Userstories in DB.
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/// Result can be filtered using the Params.
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/// </summary>
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/// <param name="title">string value</param>
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/// <param name="statusid">ID of created Status</param>
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/// <param name="categoryid">ID of created Category</param>
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/// <param name="createdbyid">ID of the Author</param>
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/// <param name="projectid">ID of created Project</param>
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/// <param name="sprintid">ID of created Project</param>
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/// <param name="priority">enum value</param>
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/// <returns>JSON list of all matching Userstories</returns>
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#nullable enable
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[HttpGet]
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public async Task<ActionResult<IEnumerable<ScrumUserstory>>> GetUserstory([FromQuery]string? title, [FromQuery]int? statusid, [FromQuery]int? categoryid, [FromQuery]int? createdbyid, [FromQuery]int? projectid, [FromQuery]int? sprintid, [FromQuery]ScrumPrio? priority)
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{
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var filtered = _context.Userstories.AsQueryable();
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if (title != null)
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{
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filtered = filtered.Where<ScrumUserstory>(t => t.Title.Contains(title));
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}
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if (statusid != null)
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{
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filtered = filtered.Where<ScrumUserstory>(t => t.StatusId == statusid);
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}
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if (categoryid != null)
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{
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filtered = filtered.Where<ScrumUserstory>(t => t.CategoryId == categoryid);
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}
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if (createdbyid != null)
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{
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filtered = filtered.Where<ScrumUserstory>(t => t.CreatedById == createdbyid);
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}
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if (projectid != null)
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{
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filtered = filtered.Where<ScrumUserstory>(t => t.ProjectId == projectid);
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}
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if (sprintid != null)
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{
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filtered = filtered.Where<ScrumUserstory>(t => t.SprintId == sprintid);
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}
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if (priority != null)
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{
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filtered = filtered.Where<ScrumUserstory>(t => t.Priority == priority);
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}
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return await filtered.ToListAsync();
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}
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#nullable disable
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// GET: api/userstories/1
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/// <summary>
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/// Retrieve the Userstory by it's ID.
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/// </summary>
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/// <param name="id">ID of searched Userstory</param>
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/// <returns>JSON object</returns>
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[HttpGet("{id}")]
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public async Task<ActionResult<ScrumUserstory>> GetUserstory(int id)
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{
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var userstory = await _context.Userstories.FindAsync(id);
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if (userstory == null)
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{
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return NotFound();
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}
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return userstory;
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}
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// PUT: api/userstories/1
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/// <summary>
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/// Update the Userstory identified by it's ID.
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/// </summary>
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/// <param name="id">to edit Userstory's ID</param>
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/// <param name="userstory">modified Userstory</param>
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/// <returns>the proper status code</returns>
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[HttpPut("{id}")]
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public async Task<IActionResult> PutUserstory(int id, ScrumUserstory userstory)
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{
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// The userstory's ID must not be changed
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if (id != userstory.Id)
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{
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return BadRequest();
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}
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// Save the changed userstory in the context
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_context.Entry(userstory).State = EntityState.Modified;
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try
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{
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// Apply the changes to the database
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await _context.SaveChangesAsync();
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}
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catch (DbUpdateConcurrencyException)
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{
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// If the userstory does not exist, return status code 404
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if (!UserstoryExists(id))
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{
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return NotFound();
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}
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else
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{
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throw;
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}
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}
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return NoContent();
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}
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// POST: api/userstories
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/// <summary>
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/// Create a new Userstory.
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/// </summary>
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/// <param name="userstory">new Userstory</param>
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/// <returns>the proper status code</returns>
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[HttpPost]
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public async Task<ActionResult<ScrumUserstory>> PostTask(ScrumUserstory userstory)
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{
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_context.Userstories.Add(userstory);
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await _context.SaveChangesAsync();
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// The new userstory has been created and can be called up using the GetUserstory method
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return CreatedAtAction("GetUserstory", new { id = userstory.Id }, userstory);
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}
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// DELETE: api/userstories/1
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/// <summary>
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/// Delete a Userstory identified by it's ID.
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/// </summary>
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/// <param name="id">to delete Userstory's ID</param>
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/// <returns>the proper status code</returns>
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[HttpDelete("{id}")]
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public async Task<ActionResult<ScrumUserstory>> DeleteUserstory(int id)
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{
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var userstory = await _context.Userstories.FindAsync(id);
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if (userstory == null)
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{
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return NotFound();
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}
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// Remove the userstory from the context
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_context.Userstories.Remove(userstory);
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// Save the changes in the database
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await _context.SaveChangesAsync();
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return userstory;
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}
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/// <summary>
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/// Checks whether a userstory with the specified ID already exists.
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/// </summary>
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private bool UserstoryExists(int id)
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{
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return _context.Userstories.Any(e => e.Id == id);
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}
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}
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} |