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82 lines
2.7 KiB
Go
82 lines
2.7 KiB
Go
package api
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import (
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"encoding/json"
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"net/url"
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"path"
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"strings"
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"time"
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)
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// Some presets for different amounts of information that can be requested for fields;
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// it is recommended to only request the information that is actually needed.
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var (
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HiDriveObjectNoMetadataFields = []string{"name", "type"}
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HiDriveObjectWithMetadataFields = append(HiDriveObjectNoMetadataFields, "id", "size", "mtime", "chash")
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HiDriveObjectWithDirectoryMetadataFields = append(HiDriveObjectWithMetadataFields, "nmembers")
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DirectoryContentFields = []string{"nmembers"}
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)
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// QueryParameters represents the parameters passed to an API-call.
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type QueryParameters struct {
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url.Values
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}
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// NewQueryParameters initializes an instance of QueryParameters and
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// returns a pointer to it.
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func NewQueryParameters() *QueryParameters {
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return &QueryParameters{url.Values{}}
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}
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// SetFileInDirectory sets the appropriate parameters
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// to specify a path to a file in a directory.
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// This is used by requests that work with paths for files that do not exist yet.
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// (For example when creating a file).
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// Most requests use the format produced by SetPath(...).
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func (p *QueryParameters) SetFileInDirectory(filePath string) {
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directory, file := path.Split(path.Clean(filePath))
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p.Set("dir", path.Clean(directory))
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p.Set("name", file)
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// NOTE: It would be possible to switch to pid-based requests
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// by modifying this function.
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}
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// SetPath sets the appropriate parameters to access the given path.
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func (p *QueryParameters) SetPath(objectPath string) {
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p.Set("path", path.Clean(objectPath))
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// NOTE: It would be possible to switch to pid-based requests
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// by modifying this function.
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}
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// SetTime sets the key to the time-value. It replaces any existing values.
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func (p *QueryParameters) SetTime(key string, value time.Time) error {
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valueAPI := Time(value)
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valueBytes, err := json.Marshal(&valueAPI)
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if err != nil {
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return err
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}
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p.Set(key, string(valueBytes))
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return nil
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}
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// AddList adds the given values as a list
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// with each value separated by the separator.
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// It appends to any existing values associated with key.
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func (p *QueryParameters) AddList(key string, separator string, values ...string) {
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original := p.Get(key)
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p.Set(key, strings.Join(values, separator))
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if original != "" {
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p.Set(key, original+separator+p.Get(key))
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}
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}
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// AddFields sets the appropriate parameter to access the given fields.
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// The given fields will be appended to any other existing fields.
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func (p *QueryParameters) AddFields(prefix string, fields ...string) {
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modifiedFields := make([]string, len(fields))
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for i, field := range fields {
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modifiedFields[i] = prefix + field
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}
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p.AddList("fields", ",", modifiedFields...)
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}
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