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package metadata |
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import ( |
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"github.com/vvval/go-metadata-scanner/util" |
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"strings" |
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) |
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const separator string = "<sep>" |
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type Tags map[string]interface{} |
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func (t Tags) Tag(tag string) (interface{}, bool) { |
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v, ok := t[tag] |
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return v, ok |
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} |
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func (t Tags) Count() int { |
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return len(t) |
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} |
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type Payload struct { |
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tags Tags |
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lists []string |
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} |
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func New() Payload { |
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return Payload{tags: Tags{}} |
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} |
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func Separator() string { |
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return separator |
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} |
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func (p *Payload) UseSeparator() bool { |
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for _, tag := range p.lists { |
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if strings.Contains(p.tags[tag].(string), separator) { |
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return true |
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} |
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} |
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return false |
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} |
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func (p *Payload) Tags() Tags { |
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return p.tags |
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} |
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func (p *Payload) ListTags() []string { |
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return p.lists |
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} |
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func (p *Payload) AddBool(tag string, value bool) { |
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p.tags[tag] = value |
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} |
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func (p *Payload) AddList(tag string, value []string) { |
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p.tags[tag] = strings.Join(util.UniqueValues(value), separator) |
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p.lists = util.UniqueValues(append(p.lists, tag)) |
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} |
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func (p *Payload) UpdateList(tag string, value []string) { |
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keywords, ok := p.tags[tag].(string) |
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if !ok { |
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keywords = "" |
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} |
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values := strings.Split(keywords, separator) |
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values = append(values, value...) |
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p.AddList(tag, values) |
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} |
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func (p *Payload) AddTag(tag string, value string) { |
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p.tags[tag] = filter(value) |
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} |
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func filter(value interface{}) interface{} { |
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if str, ok := value.(string); ok { |
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if strings.EqualFold(str, "true") { |
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return true |
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} |
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if strings.EqualFold(str, "false") { |
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return false |
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} |
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return str |
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} |
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return value |
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} |
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vvval /
go-metadata-scanner
