[API/Mobidziennik] Fix getting attendance when a day has no lessons.

app/src/main/java/pl/szczodrzynski/edziennik/data/api/Regexes.kt

@@ -80,6 +80,15 @@ object Regexes {
     val MOBIDZIENNIK_ATTENDANCE_ENTRIES by lazy {
         """font-size:.+?class=".*?">(.*?)</td>""".toRegex(DOT_MATCHES_ALL)
     }
+    val MOBIDZIENNIK_ATTENDANCE_COLUMNS by lazy {
+        """<tr><td class="border-right1".+?/td>(.+?)</tr>""".toRegex(DOT_MATCHES_ALL)
+    }
+    val MOBIDZIENNIK_ATTENDANCE_COLUMN by lazy {
+        """(<td.+?>)(.*?)</td>""".toRegex(DOT_MATCHES_ALL)
+    }
+    val MOBIDZIENNIK_ATTENDANCE_COLUMN_SPAN by lazy {
+        """colspan="(\d+)"""".toRegex()
+    }
     val MOBIDZIENNIK_ATTENDANCE_RANGE by lazy {
         """<span>([0-9:]+) - .+? (.+?)</span></a>""".toRegex(DOT_MATCHES_ALL)
     }

app/src/main/java/pl/szczodrzynski/edziennik/data/api/edziennik/mobidziennik/data/web/MobidziennikWebAttendance.kt

@@ -91,8 +91,11 @@ class MobidziennikWebAttendance(override val data: DataMobidziennik,
 
             Regexes.MOBIDZIENNIK_ATTENDANCE_TABLE.findAll(text).forEach { tableResult ->
                 val table = tableResult[1]
+
                 val lessonDates = mutableListOf<Date>()
                 val entries = mutableListOf<String>()
+                val ranges = mutableListOf<MatchResult?>()
+
                 Regexes.MOBIDZIENNIK_ATTENDANCE_LESSON_COUNT.findAll(table).forEach {
                     val date = Date.fromY_m_d(it[1])
                     for (i in 0 until (it[2].toIntOrNull() ?: 0)) {
@@ -101,24 +104,76 @@ class MobidziennikWebAttendance(override val data: DataMobidziennik,
                 }
                 Regexes.MOBIDZIENNIK_ATTENDANCE_ENTRIES.findAll(table).mapTo(entries) { it[1] }
 
+                Regexes.MOBIDZIENNIK_ATTENDANCE_COLUMNS.findAll(table).forEach { columns ->
+                    var index = 0
+                    Regexes.MOBIDZIENNIK_ATTENDANCE_COLUMN.findAll(columns[1]).forEach { column ->
+                        if (column[1].contains("colspan")) {
+                            val colspan =
+                                    Regexes.MOBIDZIENNIK_ATTENDANCE_COLUMN_SPAN.find(column[1])
+                                            ?.get(1)
+                                            ?.toIntOrNull() ?: 0
+                            entries.addAll(index, List(colspan) { "" })
+                            ranges.addAll(List(colspan) { null })
+                            index += colspan
+                        }
+                        else {
+                            val range = Regexes.MOBIDZIENNIK_ATTENDANCE_RANGE.find(column[2])
+                            ranges.add(range)
+                            index++
+                        }
+                    }
+                }
+
                 val dateIterator = lessonDates.iterator()
                 val entriesIterator = entries.iterator()
-                Regexes.MOBIDZIENNIK_ATTENDANCE_RANGE.findAll(table).let { ranges ->
+
                 val count = ranges.count()
                 // verify the lesson count is the same as dates & entries
                 if (count != lessonDates.count() || count != entries.count())
                     return@forEach
                 ranges.forEach { range ->
                     val lessonDate = dateIterator.next()
-                        var entry = entriesIterator.next()
+                    val entry = entriesIterator.next()
-                        if (entry.isBlank())
+                    if (range == null || entry.isBlank())
                         return@forEach
                     val startTime = Time.fromH_m(range[1])
 
-                        range[2].split(" / ").mapNotNull { Regexes.MOBIDZIENNIK_ATTENDANCE_LESSON.find(it) }.forEachIndexed { index, lesson ->
+                    range[2].split(" / ").mapNotNull {
+                        Regexes.MOBIDZIENNIK_ATTENDANCE_LESSON.find(it)
+                    }.forEachIndexed { index, lesson ->
+                        processEntry(
+                                index,
+                                lesson,
+                                lessonDate,
+                                startTime,
+                                entry,
+                                types,
+                                typeSymbols
+                        )
+                    }
+                }
+            }
+
+            d(TAG, "Done in ${System.currentTimeMillis()-start} ms (request ${start-requestTime} ms)")
+
+            onSuccess()
+        }
+    }
+
+    private fun processEntry(
+            index: Int,
+            lesson: MatchResult,
+            lessonDate: Date,
+            startTime: Time,
+            entry: String,
+            types: Map<String?, String?>?,
+            typeSymbols: List<String>
+    ) {
+        var entry = entry
+
         val topic = lesson[1].substringAfter(" - ", missingDelimiterValue = "").takeIf { it.isNotBlank() }
         if (topic?.startsWith("Lekcja odwołana: ") == true || entry.isEmpty())
-                                return@forEachIndexed
+            return
         val subjectName = lesson[1].substringBefore(" - ")
         //val team = lesson[3]
         val teacherName = lesson[3].fixName()
@@ -198,12 +253,3 @@ class MobidziennikWebAttendance(override val data: DataMobidziennik,
         }
     }
 }
-                }
-            }
-
-            d(TAG, "Done in ${System.currentTimeMillis()-start} ms (request ${start-requestTime} ms)")
-
-            onSuccess()
-        }
-    }
-}