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package api
import (
"fmt"
"net/http"
"os"
"strconv"
"strings"
"time"
"github.com/thepeterstone/claudomator/internal/storage"
)
// handleListRecentExecutions returns executions across all tasks.
// GET /api/executions?since=<RFC3339>&limit=<int>&task_id=<id>
func (s *Server) handleListRecentExecutions(w http.ResponseWriter, r *http.Request) {
since := time.Now().Add(-24 * time.Hour)
if v := r.URL.Query().Get("since"); v != "" {
if t, err := time.Parse(time.RFC3339, v); err == nil {
since = t
}
}
const maxLimit = 1000
limit := 50
if v := r.URL.Query().Get("limit"); v != "" {
if n, err := strconv.Atoi(v); err == nil && n > 0 {
limit = n
}
}
if limit > maxLimit {
limit = maxLimit
}
taskID := r.URL.Query().Get("task_id")
execs, err := s.store.ListRecentExecutions(since, limit, taskID)
if err != nil {
writeJSON(w, http.StatusInternalServerError, map[string]string{"error": err.Error()})
return
}
if execs == nil {
execs = []*storage.RecentExecution{}
}
writeJSON(w, http.StatusOK, execs)
}
// handleGetExecutionLog returns the tail of an execution log.
// GET /api/executions/{id}/log?tail=<int>&follow=<bool>
// If follow=true, streams as SSE (delegates to handleStreamLogs).
// If follow=false (default), returns last N raw lines as plain text.
func (s *Server) handleGetExecutionLog(w http.ResponseWriter, r *http.Request) {
id := r.PathValue("id")
exec, err := s.store.GetExecution(id)
if err != nil {
http.Error(w, "execution not found", http.StatusNotFound)
return
}
if r.URL.Query().Get("follow") == "true" {
s.handleStreamLogs(w, r)
return
}
tailN := 500
if v := r.URL.Query().Get("tail"); v != "" {
if n, err := strconv.Atoi(v); err == nil && n > 0 {
tailN = n
}
}
if exec.StdoutPath == "" {
w.Header().Set("Content-Type", "text/plain; charset=utf-8")
w.WriteHeader(http.StatusOK)
return
}
content, err := tailLogFile(exec.StdoutPath, tailN)
if err != nil {
http.Error(w, "could not read log", http.StatusInternalServerError)
return
}
w.Header().Set("Content-Type", "text/plain; charset=utf-8")
w.WriteHeader(http.StatusOK)
fmt.Fprint(w, content)
}
// tailLogFile reads the last n lines from the file at path.
func tailLogFile(path string, n int) (string, error) {
data, err := os.ReadFile(path)
if err != nil {
return "", err
}
content := strings.TrimRight(string(data), "\n")
if content == "" {
return "", nil
}
lines := strings.Split(content, "\n")
if len(lines) > n {
lines = lines[len(lines)-n:]
}
return strings.Join(lines, "\n"), nil
}
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