| 1 |
/** |
| 2 |
* List Students Enrolled Script |
| 3 |
* |
| 4 |
* Handles filter and search interactions for the enrolled students table. |
| 5 |
* Pagination is handled by loadAJAX.js clickNumberPage (via .page-numbers class). |
| 6 |
* |
| 7 |
* @since 4.3.3 |
| 8 |
* @version 1.0.0 |
| 9 |
*/ |
| 10 |
import * as lpUtils from 'lpAssetsJsPath/utils.js'; |
| 11 |
|
| 12 |
export class ListStudentsEnrolled { |
| 13 |
constructor() { |
| 14 |
this.instructorId = null; |
| 15 |
this.elContainer = null; |
| 16 |
this.isRequesting = false; |
| 17 |
} |
| 18 |
|
| 19 |
static selectors = { |
| 20 |
elContainer: '.lp-enrolled-students', |
| 21 |
elForm: '.lp-enrolled-students-form', |
| 22 |
elLPTarget: '.lp-target', |
| 23 |
elCourseNameInput: '.lp-enrolled-filter-course-name', |
| 24 |
elCourseIdInput: '#lp-enrolled-filter-course-id', |
| 25 |
elCourseList: '#lp-enrolled-course-list', |
| 26 |
elSearchInput: '.lp-enrolled-search-input', |
| 27 |
elStartDateInput: '.lp-enrolled-filter-start-date', |
| 28 |
elEndDateInput: '.lp-enrolled-filter-end-date', |
| 29 |
elBtnSearch: '.lp-enrolled-btn-search', |
| 30 |
elBtnClear: '.lp-enrolled-btn-clear', |
| 31 |
}; |
| 32 |
|
| 33 |
init() { |
| 34 |
this.elContainer = document.querySelector( |
| 35 |
ListStudentsEnrolled.selectors.elContainer |
| 36 |
); |
| 37 |
if ( ! this.elContainer ) { |
| 38 |
return; |
| 39 |
} |
| 40 |
|
| 41 |
const elLPTarget = this.elContainer.querySelector( |
| 42 |
ListStudentsEnrolled.selectors.elLPTarget |
| 43 |
); |
| 44 |
const ajaxHandle = this.getAjaxHandle(); |
| 45 |
if ( elLPTarget && ajaxHandle ) { |
| 46 |
const dataSend = ajaxHandle.getDataSetCurrent( elLPTarget ); |
| 47 |
if ( dataSend && dataSend.args ) { |
| 48 |
this.instructorId = dataSend.args.instructor_id; |
| 49 |
} |
| 50 |
} |
| 51 |
|
| 52 |
this.events(); |
| 53 |
} |
| 54 |
|
| 55 |
events() { |
| 56 |
if ( ListStudentsEnrolled._loadedEvents ) { |
| 57 |
return; |
| 58 |
} |
| 59 |
|
| 60 |
ListStudentsEnrolled._loadedEvents = this; |
| 61 |
|
| 62 |
// Search/Clear button click. |
| 63 |
lpUtils.eventHandlers( 'click', [ |
| 64 |
{ |
| 65 |
selector: ListStudentsEnrolled.selectors.elBtnSearch, |
| 66 |
class: this, |
| 67 |
callBack: this.searchStudents.name, |
| 68 |
}, |
| 69 |
{ |
| 70 |
selector: ListStudentsEnrolled.selectors.elBtnClear, |
| 71 |
class: this, |
| 72 |
callBack: this.clearFilters.name, |
| 73 |
}, |
| 74 |
] ); |
| 75 |
|
| 76 |
// Search on Enter key. |
| 77 |
lpUtils.eventHandlers( 'keydown', [ |
| 78 |
{ |
| 79 |
selector: ListStudentsEnrolled.selectors.elSearchInput, |
| 80 |
class: this, |
| 81 |
callBack: this.triggerBtnSearch.name, |
| 82 |
checkIsEventEnter: true, |
| 83 |
}, |
| 84 |
{ |
| 85 |
selector: ListStudentsEnrolled.selectors.elCourseNameInput, |
| 86 |
class: this, |
| 87 |
callBack: this.triggerBtnSearch.name, |
| 88 |
checkIsEventEnter: true, |
| 89 |
}, |
| 90 |
{ |
| 91 |
selector: ListStudentsEnrolled.selectors.elStartDateInput, |
| 92 |
class: this, |
| 93 |
callBack: this.triggerBtnSearch.name, |
| 94 |
checkIsEventEnter: true, |
| 95 |
}, |
| 96 |
{ |
| 97 |
selector: ListStudentsEnrolled.selectors.elEndDateInput, |
| 98 |
class: this, |
| 99 |
callBack: this.triggerBtnSearch.name, |
| 100 |
checkIsEventEnter: true, |
| 101 |
}, |
| 102 |
] ); |
| 103 |
|
| 104 |
lpUtils.eventHandlers( 'change', [ |
| 105 |
{ |
| 106 |
selector: ListStudentsEnrolled.selectors.elStartDateInput, |
| 107 |
class: this, |
| 108 |
callBack: this.checkDatesRange.name, |
| 109 |
}, |
| 110 |
{ |
| 111 |
selector: ListStudentsEnrolled.selectors.elEndDateInput, |
| 112 |
class: this, |
| 113 |
callBack: this.checkDatesRange.name, |
| 114 |
}, |
| 115 |
] ); |
| 116 |
} |
| 117 |
|
| 118 |
// Click button search. |
| 119 |
triggerBtnSearch() { |
| 120 |
const buttonSearch = this.elContainer.querySelector( |
| 121 |
ListStudentsEnrolled.selectors.elBtnSearch |
| 122 |
); |
| 123 |
if ( buttonSearch ) { |
| 124 |
buttonSearch.click(); |
| 125 |
} |
| 126 |
} |
| 127 |
|
| 128 |
// Ensure start date is not after end date and vice versa. If invalid, adjust the other date to match. |
| 129 |
checkDatesRange( args ) { |
| 130 |
const { e } = args; |
| 131 |
const elInput = e?.target; |
| 132 |
if ( ! elInput ) { |
| 133 |
return; |
| 134 |
} |
| 135 |
|
| 136 |
const elForm = elInput.closest( ListStudentsEnrolled.selectors.elForm ); |
| 137 |
if ( ! elForm ) { |
| 138 |
return; |
| 139 |
} |
| 140 |
|
| 141 |
const startDateInput = elForm.querySelector( |
| 142 |
ListStudentsEnrolled.selectors.elStartDateInput, |
| 143 |
); |
| 144 |
const endDateInput = elForm.querySelector( |
| 145 |
ListStudentsEnrolled.selectors.elEndDateInput, |
| 146 |
); |
| 147 |
|
| 148 |
if ( elInput === startDateInput ) { |
| 149 |
if ( startDateInput.value ) { |
| 150 |
endDateInput.min = startDateInput.value; |
| 151 |
if ( endDateInput.value && endDateInput.value < startDateInput.value ) { |
| 152 |
endDateInput.value = startDateInput.value; |
| 153 |
} |
| 154 |
} else { |
| 155 |
endDateInput.min = ''; |
| 156 |
} |
| 157 |
} else if ( elInput === endDateInput ) { |
| 158 |
if ( endDateInput.value ) { |
| 159 |
startDateInput.max = endDateInput.value; |
| 160 |
if ( startDateInput.value && startDateInput.value > endDateInput.value ) { |
| 161 |
startDateInput.value = endDateInput.value; |
| 162 |
} |
| 163 |
} else { |
| 164 |
startDateInput.max = ''; |
| 165 |
} |
| 166 |
} |
| 167 |
} |
| 168 |
|
| 169 |
setButtonLoadingState( btn, isLoading ) { |
| 170 |
if ( ! btn ) { |
| 171 |
return; |
| 172 |
} |
| 173 |
|
| 174 |
lpUtils.lpSetLoadingEl( btn, isLoading ? 1 : 0 ); |
| 175 |
//btn.disabled = !! isLoading; |
| 176 |
} |
| 177 |
|
| 178 |
getAjaxHandle() { |
| 179 |
const ajaxHandle = window.lpAJAXG; |
| 180 |
if ( |
| 181 |
! ajaxHandle || |
| 182 |
typeof ajaxHandle.getDataSetCurrent !== 'function' || |
| 183 |
typeof ajaxHandle.setDataSetCurrent !== 'function' || |
| 184 |
typeof ajaxHandle.showHideLoading !== 'function' || |
| 185 |
typeof ajaxHandle.fetchAJAX !== 'function' |
| 186 |
) { |
| 187 |
return null; |
| 188 |
} |
| 189 |
|
| 190 |
return ajaxHandle; |
| 191 |
} |
| 192 |
|
| 193 |
syncCourseIdFromName( elForm ) { |
| 194 |
const courseIdInput = elForm?.querySelector( |
| 195 |
ListStudentsEnrolled.selectors.elCourseIdInput |
| 196 |
); |
| 197 |
if ( ! courseIdInput ) { |
| 198 |
return; |
| 199 |
} |
| 200 |
|
| 201 |
courseIdInput.value = '0'; |
| 202 |
|
| 203 |
const courseNameInput = elForm.querySelector( |
| 204 |
ListStudentsEnrolled.selectors.elCourseNameInput |
| 205 |
); |
| 206 |
const datalist = elForm.querySelector( |
| 207 |
ListStudentsEnrolled.selectors.elCourseList |
| 208 |
); |
| 209 |
const courseName = courseNameInput?.value.trim() || ''; |
| 210 |
if ( ! courseName || ! datalist ) { |
| 211 |
return; |
| 212 |
} |
| 213 |
|
| 214 |
const selectedOption = Array.from( datalist.options || [] ).find( |
| 215 |
( option ) => option.value.trim() === courseName |
| 216 |
); |
| 217 |
if ( selectedOption ) { |
| 218 |
courseIdInput.value = selectedOption.dataset.courseId || '0'; |
| 219 |
} |
| 220 |
} |
| 221 |
|
| 222 |
getFilterArgsFromForm( elForm, dataArgs = {} ) { |
| 223 |
this.syncCourseIdFromName( elForm ); |
| 224 |
return lpUtils.mergeDataWithDatForm( elForm, dataArgs ); |
| 225 |
} |
| 226 |
|
| 227 |
/** |
| 228 |
* Search students: update args.search, re-fetch. |
| 229 |
* @param args |
| 230 |
*/ |
| 231 |
searchStudents( args ) { |
| 232 |
const { e } = args; |
| 233 |
if ( e ) { |
| 234 |
e.preventDefault(); |
| 235 |
} |
| 236 |
const btn = args?.target?.closest( |
| 237 |
ListStudentsEnrolled.selectors.elBtnSearch |
| 238 |
); |
| 239 |
if ( btn ) { |
| 240 |
if ( |
| 241 |
this.isRequesting || |
| 242 |
btn.classList.contains( 'loading' ) |
| 243 |
) { |
| 244 |
return; |
| 245 |
} |
| 246 |
} else if ( this.isRequesting ) { |
| 247 |
return; |
| 248 |
} |
| 249 |
|
| 250 |
const elForm = btn.closest( ListStudentsEnrolled.selectors.elForm ); |
| 251 |
const elLPTarget = this.elContainer.querySelector( |
| 252 |
ListStudentsEnrolled.selectors.elLPTarget |
| 253 |
); |
| 254 |
if ( ! elLPTarget || ! elForm ) { |
| 255 |
return; |
| 256 |
} |
| 257 |
|
| 258 |
const ajaxHandle = this.getAjaxHandle(); |
| 259 |
if ( ! ajaxHandle ) { |
| 260 |
return; |
| 261 |
} |
| 262 |
|
| 263 |
this.setButtonLoadingState( btn, true ); |
| 264 |
|
| 265 |
const dataSend = ajaxHandle.getDataSetCurrent( elLPTarget ); |
| 266 |
dataSend.args = this.getFilterArgsFromForm( |
| 267 |
elForm, |
| 268 |
dataSend.args || {} |
| 269 |
); |
| 270 |
dataSend.args.paged = 1; |
| 271 |
ajaxHandle.setDataSetCurrent( elLPTarget, dataSend ); |
| 272 |
|
| 273 |
this.reloadContent( elLPTarget, dataSend, btn ); |
| 274 |
} |
| 275 |
|
| 276 |
/** |
| 277 |
* Clear all filters and reload default data. |
| 278 |
* @param args |
| 279 |
*/ |
| 280 |
clearFilters( args ) { |
| 281 |
const { e } = args; |
| 282 |
if ( e ) { |
| 283 |
e.preventDefault(); |
| 284 |
} |
| 285 |
const btn = args?.target?.closest( |
| 286 |
ListStudentsEnrolled.selectors.elBtnClear |
| 287 |
); |
| 288 |
if ( btn ) { |
| 289 |
if ( |
| 290 |
this.isRequesting || |
| 291 |
btn.classList.contains( 'loading' ) |
| 292 |
) { |
| 293 |
return; |
| 294 |
} |
| 295 |
} else if ( this.isRequesting ) { |
| 296 |
return; |
| 297 |
} |
| 298 |
|
| 299 |
const elForm = btn.closest( ListStudentsEnrolled.selectors.elForm ); |
| 300 |
const elLPTarget = this.elContainer.querySelector( |
| 301 |
ListStudentsEnrolled.selectors.elLPTarget |
| 302 |
); |
| 303 |
if ( ! elLPTarget || ! elForm ) { |
| 304 |
return; |
| 305 |
} |
| 306 |
|
| 307 |
const ajaxHandle = this.getAjaxHandle(); |
| 308 |
if ( ! ajaxHandle ) { |
| 309 |
return; |
| 310 |
} |
| 311 |
|
| 312 |
this.setButtonLoadingState( btn, true ); |
| 313 |
|
| 314 |
elForm.reset(); |
| 315 |
this.syncCourseIdFromName( elForm ); |
| 316 |
|
| 317 |
const dataSend = ajaxHandle.getDataSetCurrent( elLPTarget ); |
| 318 |
dataSend.args = lpUtils.mergeDataWithDatForm( |
| 319 |
elForm, |
| 320 |
dataSend.args || {} |
| 321 |
); |
| 322 |
dataSend.args.paged = 1; |
| 323 |
ajaxHandle.setDataSetCurrent( elLPTarget, dataSend ); |
| 324 |
|
| 325 |
this.reloadContent( elLPTarget, dataSend, btn ); |
| 326 |
} |
| 327 |
|
| 328 |
/** |
| 329 |
* Shared reload helper: loading indicator + AJAX fetch. |
| 330 |
* @param elLPTarget |
| 331 |
* @param dataSend |
| 332 |
* @param btn |
| 333 |
*/ |
| 334 |
reloadContent( elLPTarget, dataSend, btn = null ) { |
| 335 |
const ajaxHandle = this.getAjaxHandle(); |
| 336 |
if ( ! ajaxHandle ) { |
| 337 |
this.isRequesting = false; |
| 338 |
this.setButtonLoadingState( btn, false ); |
| 339 |
return; |
| 340 |
} |
| 341 |
|
| 342 |
this.isRequesting = true; |
| 343 |
ajaxHandle.showHideLoading( elLPTarget, 1 ); |
| 344 |
|
| 345 |
const callBack = { |
| 346 |
success: ( response ) => { |
| 347 |
const { status, data } = response; |
| 348 |
if ( 'success' === status ) { |
| 349 |
elLPTarget.innerHTML = data.content; |
| 350 |
} |
| 351 |
}, |
| 352 |
error: ( error ) => console.error( error ), |
| 353 |
completed: () => { |
| 354 |
this.isRequesting = false; |
| 355 |
ajaxHandle.showHideLoading( elLPTarget, 0 ); |
| 356 |
this.setButtonLoadingState( btn, false ); |
| 357 |
}, |
| 358 |
}; |
| 359 |
|
| 360 |
ajaxHandle.fetchAJAX( dataSend, callBack ); |
| 361 |
} |
| 362 |
} |
| 363 |
|
| 364 |
// Auto-initialize when DOM is available (for standalone page load). |
| 365 |
const listStudentsEnrolled = new ListStudentsEnrolled(); |
| 366 |
|
| 367 |
lpUtils.lpOnElementReady( ListStudentsEnrolled.selectors.elContainer, () => { |
| 368 |
listStudentsEnrolled.init(); |
| 369 |
} ); |
| 370 |
|
