71 lines
1.7 KiB
Go
71 lines
1.7 KiB
Go
// Copyright 2025-present Gustavo "Guz" L. de Mello
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// Copyright 2025-present The Lored.dev Contributors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package blogo
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import (
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"cmp"
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"slices"
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)
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const priorityGroupPluginName = "blogo-prioritygroup-group"
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type priorityGroup struct {
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plugins []Plugin
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}
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type PriorityGroup interface {
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PluginWithPlugins
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}
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func NewPriorityGroup(plugins ...Plugin) PriorityGroup {
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return &priorityGroup{plugins}
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}
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func (p *priorityGroup) Name() string {
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return priorityGroupPluginName
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}
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func (p *priorityGroup) Use(plugin Plugin) {
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p.plugins = append(p.plugins, plugin)
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}
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func (p *priorityGroup) Plugins() []Plugin {
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slices.SortStableFunc(p.plugins, func(a Plugin, b Plugin) int {
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return cmp.Compare(p.getPriority(a, b), p.getPriority(b, a))
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})
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return p.plugins
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}
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func (p *priorityGroup) getPriority(plugin Plugin, cmp Plugin) int {
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if plg, ok := plugin.(PluginWithDynamicPriority); ok {
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return plg.Priority(cmp)
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} else if plg, ok := plugin.(PluginWithPriority); ok {
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return plg.Priority()
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} else {
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return 0
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}
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}
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type PluginWithPriority interface {
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Plugin
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Priority() int
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}
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type PluginWithDynamicPriority interface {
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Plugin
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Priority(Plugin) int
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}
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