|
| 1 | +(function() { |
| 2 | + var totalPages = {{ total_pages }}; |
| 3 | + var searchBox = document.getElementById('search-box'); |
| 4 | + var searchInput = document.getElementById('search-input'); |
| 5 | + var searchBtn = document.getElementById('search-btn'); |
| 6 | + var modal = document.getElementById('search-modal'); |
| 7 | + var modalInput = document.getElementById('modal-search-input'); |
| 8 | + var modalSearchBtn = document.getElementById('modal-search-btn'); |
| 9 | + var modalCloseBtn = document.getElementById('modal-close-btn'); |
| 10 | + var searchStatus = document.getElementById('search-status'); |
| 11 | + var searchResults = document.getElementById('search-results'); |
| 12 | + |
| 13 | + if (!searchBox || !modal) return; |
| 14 | + |
| 15 | + // Show search box (progressive enhancement) |
| 16 | + searchBox.style.display = 'flex'; |
| 17 | + |
| 18 | + function escapeHtml(text) { |
| 19 | + var div = document.createElement('div'); |
| 20 | + div.textContent = text; |
| 21 | + return div.innerHTML; |
| 22 | + } |
| 23 | + |
| 24 | + function escapeRegex(string) { |
| 25 | + return string.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'); |
| 26 | + } |
| 27 | + |
| 28 | + function openModal(query) { |
| 29 | + modalInput.value = query || ''; |
| 30 | + searchResults.innerHTML = ''; |
| 31 | + searchStatus.textContent = ''; |
| 32 | + modal.showModal(); |
| 33 | + modalInput.focus(); |
| 34 | + if (query) { |
| 35 | + performSearch(query); |
| 36 | + } |
| 37 | + } |
| 38 | + |
| 39 | + function closeModal() { |
| 40 | + modal.close(); |
| 41 | + // Update URL to remove search fragment |
| 42 | + if (window.location.hash.startsWith('#search=')) { |
| 43 | + history.replaceState(null, '', window.location.pathname); |
| 44 | + } |
| 45 | + } |
| 46 | + |
| 47 | + function updateUrlHash(query) { |
| 48 | + if (query) { |
| 49 | + history.replaceState(null, '', '#search=' + encodeURIComponent(query)); |
| 50 | + } |
| 51 | + } |
| 52 | + |
| 53 | + function highlightTextNodes(element, searchTerm) { |
| 54 | + var walker = document.createTreeWalker(element, NodeFilter.SHOW_TEXT, null, false); |
| 55 | + var nodesToReplace = []; |
| 56 | + |
| 57 | + while (walker.nextNode()) { |
| 58 | + var node = walker.currentNode; |
| 59 | + if (node.nodeValue.toLowerCase().indexOf(searchTerm.toLowerCase()) !== -1) { |
| 60 | + nodesToReplace.push(node); |
| 61 | + } |
| 62 | + } |
| 63 | + |
| 64 | + nodesToReplace.forEach(function(node) { |
| 65 | + var text = node.nodeValue; |
| 66 | + var regex = new RegExp('(' + escapeRegex(searchTerm) + ')', 'gi'); |
| 67 | + var parts = text.split(regex); |
| 68 | + if (parts.length > 1) { |
| 69 | + var span = document.createElement('span'); |
| 70 | + parts.forEach(function(part) { |
| 71 | + if (part.toLowerCase() === searchTerm.toLowerCase()) { |
| 72 | + var mark = document.createElement('mark'); |
| 73 | + mark.textContent = part; |
| 74 | + span.appendChild(mark); |
| 75 | + } else { |
| 76 | + span.appendChild(document.createTextNode(part)); |
| 77 | + } |
| 78 | + }); |
| 79 | + node.parentNode.replaceChild(span, node); |
| 80 | + } |
| 81 | + }); |
| 82 | + } |
| 83 | + |
| 84 | + function processPage(pageFile, html, query) { |
| 85 | + var parser = new DOMParser(); |
| 86 | + var doc = parser.parseFromString(html, 'text/html'); |
| 87 | + var resultsFromPage = 0; |
| 88 | + |
| 89 | + // Find all message blocks |
| 90 | + var messages = doc.querySelectorAll('.message'); |
| 91 | + messages.forEach(function(msg) { |
| 92 | + var text = msg.textContent || ''; |
| 93 | + if (text.toLowerCase().indexOf(query.toLowerCase()) !== -1) { |
| 94 | + resultsFromPage++; |
| 95 | + |
| 96 | + // Get the message ID for linking |
| 97 | + var msgId = msg.id || ''; |
| 98 | + var link = pageFile + (msgId ? '#' + msgId : ''); |
| 99 | + |
| 100 | + // Clone the message HTML and highlight matches |
| 101 | + var clone = msg.cloneNode(true); |
| 102 | + highlightTextNodes(clone, query); |
| 103 | + |
| 104 | + var resultDiv = document.createElement('div'); |
| 105 | + resultDiv.className = 'search-result'; |
| 106 | + resultDiv.innerHTML = '<a href="' + link + '">' + |
| 107 | + '<div class="search-result-page">' + escapeHtml(pageFile) + '</div>' + |
| 108 | + '<div class="search-result-content">' + clone.innerHTML + '</div>' + |
| 109 | + '</a>'; |
| 110 | + searchResults.appendChild(resultDiv); |
| 111 | + } |
| 112 | + }); |
| 113 | + |
| 114 | + return resultsFromPage; |
| 115 | + } |
| 116 | + |
| 117 | + async function performSearch(query) { |
| 118 | + if (!query.trim()) { |
| 119 | + searchStatus.textContent = 'Enter a search term'; |
| 120 | + return; |
| 121 | + } |
| 122 | + |
| 123 | + updateUrlHash(query); |
| 124 | + searchResults.innerHTML = ''; |
| 125 | + searchStatus.textContent = 'Searching...'; |
| 126 | + |
| 127 | + var resultsFound = 0; |
| 128 | + var pagesSearched = 0; |
| 129 | + |
| 130 | + // Build list of pages to fetch |
| 131 | + var pagesToFetch = []; |
| 132 | + for (var i = 1; i <= totalPages; i++) { |
| 133 | + pagesToFetch.push('page-' + String(i).padStart(3, '0') + '.html'); |
| 134 | + } |
| 135 | + |
| 136 | + // Process pages in batches of 3, but show results immediately as each completes |
| 137 | + var batchSize = 3; |
| 138 | + for (var i = 0; i < pagesToFetch.length; i += batchSize) { |
| 139 | + var batch = pagesToFetch.slice(i, i + batchSize); |
| 140 | + |
| 141 | + // Create promises that process results immediately when each fetch completes |
| 142 | + var promises = batch.map(function(pageFile) { |
| 143 | + return fetch(pageFile) |
| 144 | + .then(function(response) { |
| 145 | + if (!response.ok) throw new Error('Failed to fetch'); |
| 146 | + return response.text(); |
| 147 | + }) |
| 148 | + .then(function(html) { |
| 149 | + // Process and display results immediately |
| 150 | + var count = processPage(pageFile, html, query); |
| 151 | + resultsFound += count; |
| 152 | + pagesSearched++; |
| 153 | + searchStatus.textContent = 'Found ' + resultsFound + ' result(s) in ' + pagesSearched + '/' + totalPages + ' pages...'; |
| 154 | + }) |
| 155 | + .catch(function() { |
| 156 | + pagesSearched++; |
| 157 | + searchStatus.textContent = 'Found ' + resultsFound + ' result(s) in ' + pagesSearched + '/' + totalPages + ' pages...'; |
| 158 | + }); |
| 159 | + }); |
| 160 | + |
| 161 | + // Wait for this batch to complete before starting the next |
| 162 | + await Promise.all(promises); |
| 163 | + } |
| 164 | + |
| 165 | + searchStatus.textContent = 'Found ' + resultsFound + ' result(s) in ' + totalPages + ' pages'; |
| 166 | + } |
| 167 | + |
| 168 | + // Event listeners |
| 169 | + searchBtn.addEventListener('click', function() { |
| 170 | + openModal(searchInput.value); |
| 171 | + }); |
| 172 | + |
| 173 | + searchInput.addEventListener('keydown', function(e) { |
| 174 | + if (e.key === 'Enter') { |
| 175 | + openModal(searchInput.value); |
| 176 | + } |
| 177 | + }); |
| 178 | + |
| 179 | + modalSearchBtn.addEventListener('click', function() { |
| 180 | + performSearch(modalInput.value); |
| 181 | + }); |
| 182 | + |
| 183 | + modalInput.addEventListener('keydown', function(e) { |
| 184 | + if (e.key === 'Enter') { |
| 185 | + performSearch(modalInput.value); |
| 186 | + } |
| 187 | + }); |
| 188 | + |
| 189 | + modalCloseBtn.addEventListener('click', closeModal); |
| 190 | + |
| 191 | + modal.addEventListener('click', function(e) { |
| 192 | + if (e.target === modal) { |
| 193 | + closeModal(); |
| 194 | + } |
| 195 | + }); |
| 196 | + |
| 197 | + // Check for #search= in URL on page load |
| 198 | + if (window.location.hash.startsWith('#search=')) { |
| 199 | + var query = decodeURIComponent(window.location.hash.substring(8)); |
| 200 | + if (query) { |
| 201 | + searchInput.value = query; |
| 202 | + openModal(query); |
| 203 | + } |
| 204 | + } |
| 205 | +})(); |
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