43 lines
874 B
Go
43 lines
874 B
Go
package pm
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import (
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"errors"
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"fmt"
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"net/url"
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)
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// Meta tracks metadata for a package
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type Meta struct {
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Name Name `json:"name"`
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Version Version `json:"version"`
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Description string `json:"description"`
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Remote url.URL `json:"remote"`
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}
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// Valid validates the contents of a Meta for requires fields.
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func (m Meta) Valid() (bool, error) {
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if m.Name == "" {
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return false, errors.New("name cannot be empty")
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}
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if m.Version == "" {
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return false, errors.New("version cannot be empty")
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}
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if m.Description == "" {
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return false, errors.New("description cannot be empty")
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}
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return true, nil
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}
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// URL returns the http location of this package.
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func (m Meta) URL() string {
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return fmt.Sprintf("%s/%s-%s.pkg", m.Remote.String(), m.Name, m.Version)
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}
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func (m Meta) String() string {
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return m.URL()
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}
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// Metas is a slice of Meta
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type Metas []Meta
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