118 lines
2.7 KiB
Go
118 lines
2.7 KiB
Go
package memos
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import (
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"context"
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"net/url"
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"strconv"
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)
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type Client struct {
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baseURL string
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token string
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httpClient *http.Client
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}
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func NewClient(baseURL, token string) *Client {
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return &Client{
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baseURL: baseURL,
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token: token,
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httpClient: &http.Client{},
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}
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}
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// ListMemos fetches memos from the API with the given CEL filter.
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func (c *Client) ListMemos(ctx context.Context, filter string, pageSize int, pageToken string) (*ListMemosResponse, error) {
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u, err := url.Parse(c.baseURL + "/api/v1/memos")
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if err != nil {
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return nil, fmt.Errorf("parse url: %w", err)
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}
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q := u.Query()
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if filter != "" {
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q.Set("filter", filter)
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}
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if pageSize > 0 {
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q.Set("pageSize", strconv.Itoa(pageSize))
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}
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if pageToken != "" {
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q.Set("pageToken", pageToken)
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}
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u.RawQuery = q.Encode()
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req, err := http.NewRequestWithContext(ctx, http.MethodGet, u.String(), http.NoBody)
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if err != nil {
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return nil, fmt.Errorf("create request: %w", err)
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}
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req.Header.Set("Authorization", "Bearer "+c.token)
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resp, err := c.httpClient.Do(req)
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if err != nil {
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return nil, fmt.Errorf("do request: %w", 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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body, _ := io.ReadAll(resp.Body)
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return nil, fmt.Errorf("memos API returned %d: %s", resp.StatusCode, body)
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}
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var result ListMemosResponse
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if err := json.NewDecoder(resp.Body).Decode(&result); err != nil {
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return nil, fmt.Errorf("decode response: %w", err)
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}
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return &result, nil
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}
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// DownloadAttachment downloads the attachment data as bytes.
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func (c *Client) DownloadAttachment(ctx context.Context, att Attachment) ([]byte, error) {
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var reqURL string
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var needsAuth bool
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if att.ExternalLink != "" {
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reqURL = att.ExternalLink
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} else {
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reqURL = fmt.Sprintf("%s/file/%s/%s", c.baseURL, att.Name, att.Filename)
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needsAuth = true
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}
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req, err := http.NewRequestWithContext(ctx, http.MethodGet, reqURL, http.NoBody)
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if err != nil {
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return nil, fmt.Errorf("create request: %w", err)
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}
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if needsAuth {
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req.Header.Set("Authorization", "Bearer "+c.token)
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}
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resp, err := c.httpClient.Do(req)
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if err != nil {
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return nil, fmt.Errorf("do request: %w", 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 nil, fmt.Errorf("download attachment %s: status %d", att.Name, resp.StatusCode)
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}
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data, err := io.ReadAll(resp.Body)
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if err != nil {
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return nil, fmt.Errorf("read body: %w", err)
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}
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return data, nil
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}
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// GetRandomMemo fetches a single memo without any filter (for full fallback).
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func (c *Client) GetRandomMemo(ctx context.Context) (*Memo, error) {
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resp, err := c.ListMemos(ctx, "", 1, "")
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if err != nil {
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return nil, err
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}
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if len(resp.Memos) == 0 {
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return nil, nil
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}
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return resp.Memos[0], nil
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}
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