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d75be2282b
Since the very first 0.1.0-alpha.1 release, we've been moving quickly to add new features to the Maybe app. In doing so, some parts of the codebase have become outdated, unnecessary, or overly-complex as a natural result of this feature prioritization. Now that "core" Maybe is complete, we're moving into a second phase of development where we'll be working hard to improve the accuracy of existing features and build additional features on top of "core". This PR is a quick overhaul of the existing codebase aimed to: - Establish the brand new and simplified dashboard view (pictured above) - Establish and move towards the conventions introduced in Cursor rules and project design overview #1788 - Consolidate layouts and improve the performance of layout queries - Organize the core models of the Maybe domain (i.e. Account::Entry, Account::Transaction, etc.) and break out specific traits of each model into dedicated concerns for better readability - Remove stale / dead code from codebase - Remove overly complex code paths in favor of simpler ones
94 lines
1.6 KiB
Ruby
94 lines
1.6 KiB
Ruby
class Trend
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include ActiveModel::Validations
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DIRECTIONS = %w[up down].freeze
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attr_reader :current, :previous, :favorable_direction
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validates :current, presence: true
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def initialize(current:, previous:, favorable_direction: nil)
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@current = current
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@previous = previous || 0
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@favorable_direction = (favorable_direction.presence_in(DIRECTIONS) || "up").inquiry
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validate!
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end
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def direction
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if current == previous
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"flat"
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elsif current > previous
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"up"
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else
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"down"
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end.inquiry
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end
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def color
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case direction
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when "up"
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favorable_direction.down? ? red_hex : green_hex
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when "down"
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favorable_direction.down? ? green_hex : red_hex
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else
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gray_hex
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end
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end
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def icon
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if direction.flat?
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"minus"
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elsif direction.up?
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"arrow-up"
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else
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"arrow-down"
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end
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end
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def value
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current - previous
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end
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def percent
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return 0.0 if previous.zero? && current.zero?
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return Float::INFINITY if previous.zero?
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change = (current - previous).to_f
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(change / previous.to_f * 100).round(1)
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end
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def percent_formatted
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if percent.finite?
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"#{percent.round(1)}%"
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else
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percent > 0 ? "＋∞" : "-∞"
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end
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end
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def as_json
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{
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value: value,
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percent: percent,
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percent_formatted: percent_formatted,
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current: current,
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previous: previous,
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color: color,
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icon: icon
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}
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end
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private
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def red_hex
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"var(--color-destructive)"
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end
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def green_hex
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"var(--color-success)"
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end
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def gray_hex
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"var(--color-gray)"
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end
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end
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