Implement Reporting tab (#276)

* First reporting version

* Fixes for all tabs

* Transactions table

* Budget section re-design

* FIX exports

Fix transactions table aggregation

* Add support for google sheets

Remove pdf and xlsx for now

* Multiple fixes

- Trends & Insights now follows top filter
- Transactions Breakdown removed filters, implemented sort by amount.
- The entire section follows top filters.
- Export to CSV adds per month breakdown

* Linter and tests

* Fix amounts

- Correctly handle amounts across the views and controller.
- Pass proper values to do calculation on, and not loose precision

* Update Gemfile.lock

* Add support for api-key on reports

Also fix custom date filter

* Review fixes

* Move budget status calculations out of the view.

* fix ensures that quarterly reports end at the quarter boundary

* Fix bugdet days remaining

Fix raw css style

* Fix test

* Implement google sheets properly with hotwire

* Improve UX on period comparison

* FIX csv export for non API key auth

app/models/budget_category.rb

@@ -75,6 +75,34 @@ class BudgetCategory < ApplicationRecord
     (actual_spending / budgeted_spending) * 100
   end
 
+  def bar_width_percent
+    [ percent_of_budget_spent, 100 ].min
+  end
+
+  def over_budget?
+    available_to_spend.negative?
+  end
+
+  def near_limit?
+    !over_budget? && percent_of_budget_spent >= 90
+  end
+
+  # Returns hash with suggested daily spending info or nil if not applicable
+  def suggested_daily_spending
+    return nil unless available_to_spend > 0
+
+    budget_date = budget.start_date
+    return nil unless budget_date.month == Date.current.month && budget_date.year == Date.current.year
+
+    days_remaining = (budget_date.end_of_month - Date.current).to_i + 1
+    return nil unless days_remaining > 0
+
+    {
+      amount: Money.new((available_to_spend / days_remaining), budget.family.currency),
+      days_remaining: days_remaining
+    }
+  end
+
   def to_donut_segments_json
     unused_segment_id = "unused"
     overage_segment_id = "overage"