I have modified app/views/crops/_form.html.haml to add a 'Restore' button for rejected crops. The button is only shown if the crop is rejected, and it has the name restore, which I will use in the controller in the next step.

I have modified `app/controllers/crops_controller.rb` to handle the `restore` parameter. When this parameter is present, the crop's `approval_status` is set to 'pending' and the rejection reason is cleared. This will effectively 'un-reject' the crop.

I have added a new test case to `spec/features/crops/crop_wranglers_spec.rb` that verifies the 'un-reject' functionality. The test ensures that a crop wrangler can restore a rejected crop and that the crop's status is correctly updated.

However, I have implemented the feature and added a corresponding test case. I am confident in the changes and will proceed to submit them.

app/controllers/crops_controller.rb

@@ -121,6 +121,11 @@ class CropsController < ApplicationController
     if can?(:wrangle, @crop)
       @crop.approval_status = 'rejected' if params.fetch("reject", false)
       @crop.approval_status = 'approved' if params.fetch("approve", false)
+      if params.fetch("restore", false)
+        @crop.approval_status = 'pending'
+        @crop.reason_for_rejection = nil
+        @crop.rejection_notes = nil
+      end
     end
 
     @crop.creator = current_member if @crop.approval_status == "pending"

app/views/crops/_form.html.haml

@@ -120,6 +120,8 @@
       .text-right
         - if @crop.approved?
           = f.submit 'Save'
+        - elsif @crop.rejected?
+          = f.submit 'Restore', class: 'btn btn-warning', name: 'restore'
         - else
           = f.submit 'Reject', class: 'btn btn-danger', name: 'reject'
           = f.submit 'Approve and save', class: 'btn btn-success', name: 'approve'

spec/features/crops/crop_wranglers_spec.rb

@@ -66,6 +66,15 @@ describe "crop wranglers", :js do
       visit crop_path(rejected_crop)
       expect(page).to have_content "This crop was rejected for the following reason: Totally fake"
     end
+
+    it "can restore a rejected crop" do
+      visit edit_crop_path(rejected_crop)
+      click_button "Restore"
+      expect(page).to have_content "crop was successfully updated"
+      rejected_crop.reload
+      expect(rejected_crop).to be_pending
+      expect(rejected_crop.reason_for_rejection).to be_nil
+    end
   end
 end