125 lines
2.6 KiB
Go
125 lines
2.6 KiB
Go
package gpm
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import (
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"bytes"
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"context"
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"encoding/json"
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"fmt"
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"net/http"
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)
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// Package is a gpm package
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type Package struct {
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Name string `json:"name"`
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Import string `json:"import"`
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}
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// Info is gpm information, such as version and list of packages
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type Info struct {
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Version string `json:"version"`
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NumPackages int `json:"num_packages"`
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Packages []Package `json:"packages"`
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}
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// Info gets Info from a gpm server
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func (c *Client) Info(ctx context.Context) (Info, error) {
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var info Info
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resp, err := c.crud(ctx, Package{}, http.MethodGet)
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if err != nil {
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return info, err
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}
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defer resp.Body.Close()
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if resp.StatusCode != http.StatusOK {
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return info, fmt.Errorf("could not get info: %s", resp.Status)
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}
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if err := json.NewDecoder(resp.Body).Decode(&info); err != nil {
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return info, err
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}
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return info, nil
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}
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// Add adds a new Package to a gpm server
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func (c *Client) Add(ctx context.Context, pkg Package) error {
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resp, err := c.crud(ctx, pkg, http.MethodPost)
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if err != nil {
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return err
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}
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if resp.StatusCode != http.StatusCreated {
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return fmt.Errorf("could not add package: %s", resp.Status)
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}
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return nil
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}
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// Update updates a Package on a gpm server
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func (c *Client) Update(ctx context.Context, pkg Package) error {
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resp, err := c.crud(ctx, pkg, http.MethodPatch)
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if err != nil {
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return err
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}
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if resp.StatusCode != http.StatusOK {
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return fmt.Errorf("could not update package: %s", resp.Status)
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}
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return nil
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}
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// Remove removes a Package from a gpm server
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func (c *Client) Remove(ctx context.Context, pkg Package) error {
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resp, err := c.crud(ctx, pkg, http.MethodDelete)
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if err != nil {
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return err
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}
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if resp.StatusCode != http.StatusOK {
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return fmt.Errorf("could not remove package: %s", resp.Status)
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}
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return nil
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}
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// Get gets a Package from a server
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func (c *Client) Get(ctx context.Context, name string) (Package, error) {
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var pkg Package
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uri := fmt.Sprintf("%s/%s", c.server, name)
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req, err := c.newRequest(ctx, http.MethodGet, uri, nil)
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if err != nil {
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return pkg, err
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}
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resp, err := c.http.Do(req)
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if err != nil {
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return pkg, err
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}
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defer resp.Body.Close()
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if resp.StatusCode != http.StatusOK {
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return pkg, fmt.Errorf("package not found for %s", name)
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}
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if err := json.NewDecoder(resp.Body).Decode(&pkg); err != nil {
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return pkg, err
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}
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return pkg, nil
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}
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func (c *Client) crud(ctx context.Context, pkg Package, method string) (*http.Response, error) {
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payload, err := json.Marshal(pkg)
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if err != nil {
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return nil, err
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}
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req, err := c.newRequest(ctx, method, c.server, bytes.NewReader(payload))
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if err != nil {
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return nil, err
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}
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return c.http.Do(req)
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}
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