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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<div class="headertitle"><div class="title">BorrowingController.java</div></div>
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<a href="_borrowing_controller_8java.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span> </div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="keyword">package </span>com.example.restapi.controller;</div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span> </div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="keyword">import</span> com.example.restapi.model.Book;</div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="keyword">import</span> com.example.restapi.model.User;</div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="keyword">import</span> com.example.restapi.service.BorrowingService;</div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="keyword">import</span> com.example.restapi.service.UserService;</div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="keyword">import</span> io.swagger.v3.oas.annotations.Hidden;</div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="keyword">import</span> io.swagger.v3.oas.annotations.Hidden;</div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> </div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="keyword">import</span> java.util.List;</div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="keyword">import</span> java.util.Map;</div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="keyword">import</span> java.util.Optional;</div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> </div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="keyword">import</span> org.springframework.beans.factory.annotation.Autowired;</div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="keyword">import</span> org.springframework.http.ResponseEntity;</div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="keyword">import</span> org.springframework.web.bind.annotation.*;</div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> </div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span>@RestController</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span>@RequestMapping(<span class="stringliteral">"/api/borrows"</span>)</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span><span class="comment">//@Hidden // This will hide the entire BorrowingController from Swagger</span></div>
<div class="foldopen" id="foldopen00037" data-start="{" data-end="};">
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"><a class="line" href="classcom_1_1example_1_1restapi_1_1controller_1_1_borrowing_controller.html"> 37</a></span>public class <a class="code hl_class" href="classcom_1_1example_1_1restapi_1_1controller_1_1_borrowing_controller.html">BorrowingController</a> {</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> @Autowired</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">private</span> BorrowingService borrowingService;</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> </div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> @Autowired</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">private</span> UserService userService;</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> </div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> @PostMapping(<span class="stringliteral">"/{bookId}/borrows"</span>)</div>
<div class="foldopen" id="foldopen00054" data-start="{" data-end="}">
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"><a class="line" href="classcom_1_1example_1_1restapi_1_1controller_1_1_borrowing_controller.html#ad4c562c6caf1f03a850d56bced145089"> 54</a></span> public ResponseEntity<String> borrowBook(@PathVariable Long bookId, @RequestBody User user) {</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> <span class="keywordflow">return</span> borrowingService.<a class="code hl_function" href="classcom_1_1example_1_1restapi_1_1controller_1_1_borrowing_controller.html#ad4c562c6caf1f03a850d56bced145089">borrowBook</a>(bookId, user) ?</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> ResponseEntity.ok(<span class="stringliteral">"Book borrowed successfully"</span>) :</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> ResponseEntity.badRequest().body(<span class="stringliteral">"Book is already borrowed"</span>);</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> }</div>
</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> </div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> @PostMapping(<span class="stringliteral">"/{bookId}/returns"</span>)</div>
<div class="foldopen" id="foldopen00067" data-start="{" data-end="}">
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"><a class="line" href="classcom_1_1example_1_1restapi_1_1controller_1_1_borrowing_controller.html#ae3f100651888f133d972b211e1271349"> 67</a></span> public ResponseEntity<String> returnBook(@PathVariable Long bookId) {</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="keywordflow">return</span> borrowingService.returnBook(bookId) ?</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> ResponseEntity.ok(<span class="stringliteral">"Book returned successfully"</span>) :</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> ResponseEntity.badRequest().body(<span class="stringliteral">"Book was not borrowed"</span>);</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> }</div>
</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> </div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="comment">/* </span></div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span><span class="comment"> @GetMapping("/users/{username}/borrowed-books")</span></div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span><span class="comment"> public List<Book> getBorrowedBooksByUser(@PathVariable String username) {</span></div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span><span class="comment"> Optional<User> userOptional = userService.findByUsername(username); // Already returns Optional<User></span></div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span><span class="comment"></span> </div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span><span class="comment"> if (userOptional.isEmpty()) {</span></div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span><span class="comment"> return List.of(); // Return empty list if user is not found</span></div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span><span class="comment"> }</span></div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span><span class="comment"></span> </div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span><span class="comment"> return borrowingService.getBorrowedBooksByUser(username);</span></div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span><span class="comment"> } */</span></div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> </div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> </div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> @GetMapping(<span class="stringliteral">"/users/{username}/borrowed-books"</span>)</div>
<div class="foldopen" id="foldopen00093" data-start="{" data-end="}">
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"><a class="line" href="classcom_1_1example_1_1restapi_1_1controller_1_1_borrowing_controller.html#a29eafaeca2d4c24c2da783746536cc0a"> 93</a></span> public ResponseEntity<List<Map<String, Object>>> getBorrowedBooksByUser(@PathVariable String username) {</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> List<Map<String, Object>> borrowedBooks = borrowingService.getBorrowedBooksByUser(username);</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> <span class="keywordflow">return</span> ResponseEntity.ok(borrowedBooks);</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> }</div>
</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> </div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> @DeleteMapping(<span class="stringliteral">"/{id}"</span>)</div>
<div class="foldopen" id="foldopen00106" data-start="{" data-end="}">
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"><a class="line" href="classcom_1_1example_1_1restapi_1_1controller_1_1_borrowing_controller.html#a7070ff2f46bfdbe3bdb9a0ea40246219"> 106</a></span> public ResponseEntity<Void> deleteBorrowing(@PathVariable Long bookId, @PathVariable Long userId) {</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> borrowingService.deleteByBookUserId(bookId, userId);</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> <span class="keywordflow">return</span> ResponseEntity.noContent().build();</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> } </div>
</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span>}</div>
</div>
<div class="ttc" id="aclasscom_1_1example_1_1restapi_1_1controller_1_1_borrowing_controller_html"><div class="ttname"><a href="classcom_1_1example_1_1restapi_1_1controller_1_1_borrowing_controller.html">com.example.restapi.controller.BorrowingController</a></div><div class="ttdoc">Controller class providing RESTful endpoints for borrowing and returning books.</div><div class="ttdef"><b>Definition</b> <a href="_borrowing_controller_8java_source.html#l00037">BorrowingController.java:37</a></div></div>
<div class="ttc" id="aclasscom_1_1example_1_1restapi_1_1controller_1_1_borrowing_controller_html_ad4c562c6caf1f03a850d56bced145089"><div class="ttname"><a href="classcom_1_1example_1_1restapi_1_1controller_1_1_borrowing_controller.html#ad4c562c6caf1f03a850d56bced145089">com.example.restapi.controller.BorrowingController.borrowBook</a></div><div class="ttdeci">ResponseEntity< String > borrowBook(@PathVariable Long bookId, @RequestBody User user)</div><div class="ttdef"><b>Definition</b> <a href="_borrowing_controller_8java_source.html#l00054">BorrowingController.java:54</a></div></div>
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