82 lines
2.2 KiB
Go
82 lines
2.2 KiB
Go
package handlers
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import (
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"log"
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"net/http"
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"github.com/patel-mann/poll-system/app/internal/models"
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"github.com/patel-mann/poll-system/app/internal/utils"
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)
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func AdminDashboardHandler(w http.ResponseWriter, r *http.Request) {
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currentAdminID := r.Context().Value("user_id").(int)
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username,_ := models.GetCurrentUserName(r)
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role, _ := r.Context().Value("uesr_role").(int)
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var volunteerCount int
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var totalDonations float64
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var validatedCount int
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var housesLeftPercent float64
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// 1. Count volunteers assigned to this admin
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err := models.DB.QueryRow(`
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SELECT COUNT(av.volunteer_id)
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FROM admin_volunteers av
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WHERE av.admin_id = $1 AND av.is_active = TRUE;
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`, currentAdminID).Scan(&volunteerCount)
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if err != nil {
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log.Println("Volunteer query error:", err)
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volunteerCount = 0 // Set default value on error
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}
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// 2. Total donations from polls
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err = models.DB.QueryRow(`
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SELECT COALESCE(SUM(amount_donated), 0)
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FROM poll;
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`).Scan(&totalDonations)
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if err != nil {
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log.Println("Donation query error:", err)
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totalDonations = 0 // Set default value on error
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}
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// 3. Count validated addresses
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err = models.DB.QueryRow(`
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SELECT COUNT(*)
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FROM address_database
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WHERE visited_validated = TRUE;
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`).Scan(&validatedCount)
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if err != nil {
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log.Println("Validated addresses query error:", err)
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validatedCount = 0 // Set default value on error
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}
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// 4. Calculate percentage of houses left to visit
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err = models.DB.QueryRow(`
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SELECT
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CASE
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WHEN COUNT(*) = 0 THEN 0
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ELSE ROUND(
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(COUNT(*) FILTER (WHERE visited_validated = FALSE)::numeric / COUNT(*)::numeric) * 100, 2
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)
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END
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FROM address_database;
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`).Scan(&housesLeftPercent)
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if err != nil {
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log.Println("Houses left query error:", err)
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housesLeftPercent = 0 // Set default value on error
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}
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utils.Render(w, "dashboard/dashboard.html", map[string]interface{}{
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"Title": "Admin Dashboard",
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"IsAuthenticated": true,
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"VolunteerCount": volunteerCount,
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"TotalDonations": totalDonations,
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"ValidatedCount": validatedCount,
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"HousesLeftPercent": housesLeftPercent,
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"ShowAdminNav": true,
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"UserName": username,
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"Role": role,
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"ActiveSection": "dashboard",
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})
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} |