🎨 Add multi-select type column to Attribute View https://github.com/siyuan-note/siyuan/issues/8695

kernel/av/filter.go

@@ -0,0 +1,78 @@
+// SiYuan - Refactor your thinking
+// Copyright (c) 2020-present, b3log.org
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package av
+
+type AttributeViewFilter struct {
+	Column   string         `json:"column"`
+	Operator FilterOperator `json:"operator"`
+	Value    *Value         `json:"value"`
+}
+
+type FilterOperator string
+
+const (
+	FilterOperatorIsEqual           FilterOperator = "="
+	FilterOperatorIsNotEqual        FilterOperator = "!="
+	FilterOperatorIsGreater         FilterOperator = ">"
+	FilterOperatorIsGreaterOrEqual  FilterOperator = ">="
+	FilterOperatorIsLess            FilterOperator = "<"
+	FilterOperatorIsLessOrEqual     FilterOperator = "<="
+	FilterOperatorContains          FilterOperator = "Contains"
+	FilterOperatorDoesNotContain    FilterOperator = "Does not contains"
+	FilterOperatorIsEmpty           FilterOperator = "Is empty"
+	FilterOperatorIsNotEmpty        FilterOperator = "Is not empty"
+	FilterOperatorStartsWith        FilterOperator = "Starts with"
+	FilterOperatorEndsWith          FilterOperator = "Ends with"
+	FilterOperatorIsBetween         FilterOperator = "Is between"
+	FilterOperatorIsRelativeToToday FilterOperator = "Is relative to today"
+)
+
+func (av *AttributeView) FilterRows() {
+	if 1 > len(av.Filters) {
+		return
+	}
+
+	var colIndexes []int
+	for _, f := range av.Filters {
+		for i, c := range av.Columns {
+			if c.ID == f.Column {
+				colIndexes = append(colIndexes, i)
+				break
+			}
+		}
+	}
+
+	rows := []*Row{}
+	for _, row := range av.Rows {
+		pass := true
+		for j, index := range colIndexes {
+			c := av.Columns[index]
+			if c.Type == ColumnTypeBlock {
+				continue
+			}
+
+			if !row.Cells[index].Value.CompareOperator(av.Filters[j].Value, av.Filters[j].Operator) {
+				pass = false
+				break
+			}
+		}
+		if pass {
+			rows = append(rows, row)
+		}
+	}
+	av.Rows = rows
+}