distance traveled option for location agent
stvnrlly
3 changed files with 23 additions and 2 deletions
+ 3
- 0
Gemfile
@@ -31,6 +31,9 @@ gem 'omniauth-tumblr' |
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| 31 | 31 |
gem 'dropbox-api' |
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gem 'omniauth-dropbox' |
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|
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+# UserLocationAgent |
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+gem 'haversine' |
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+ |
|
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# Optional Services. |
| 35 | 38 |
gem 'omniauth-37signals' # BasecampAgent |
| 36 | 39 |
# gem 'omniauth-github' |
+ 2
- 0
Gemfile.lock
@@ -170,6 +170,7 @@ GEM |
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| 170 | 170 |
guard (~> 2.1) |
| 171 | 171 |
rspec (>= 2.14, < 4.0) |
| 172 | 172 |
hashie (2.0.5) |
| 173 |
+ haversine (0.3.0) |
|
| 173 | 174 |
hike (1.2.3) |
| 174 | 175 |
hipchat (1.2.0) |
| 175 | 176 |
httparty |
@@ -476,6 +477,7 @@ DEPENDENCIES |
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| 476 | 477 |
guard |
| 477 | 478 |
guard-livereload |
| 478 | 479 |
guard-rspec |
| 480 |
+ haversine |
|
| 479 | 481 |
hipchat (~> 1.2.0) |
| 480 | 482 |
httparty (~> 0.13) |
| 481 | 483 |
hypdf (~> 1.0.7) |
+ 18
- 2
app/models/agents/user_location_agent.rb
@@ -1,4 +1,5 @@ |
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| 1 | 1 |
require 'securerandom' |
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+require 'haversine' |
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| 2 | 3 |
|
| 3 | 4 |
module Agents |
| 4 | 5 |
class UserLocationAgent < Agent |
@@ -38,7 +39,8 @@ module Agents |
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| 38 | 39 |
def default_options |
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{
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'secret' => SecureRandom.hex(7), |
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- 'max_accuracy' => '' |
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+ 'max_accuracy' => '', |
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+ 'distance' => '', |
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| 42 | 44 |
} |
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end |
| 44 | 46 |
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@@ -75,11 +77,25 @@ module Agents |
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| 75 | 77 |
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| 76 | 78 |
accuracy_field = interpolated[:accuracy_field].presence || 'accuracy' |
| 77 | 79 |
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- if location.present? && (!interpolated[:max_accuracy].present? || !payload[accuracy_field] || payload[accuracy_field].to_i < interpolated[:max_accuracy].to_i) |
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+ def accurate_enough?(payload, accuracy_field) |
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+ !interpolated[:max_accuracy].present? || !payload[accuracy_field] || payload[accuracy_field].to_i < interpolated[:max_accuracy].to_i |
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+ end |
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+ |
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+ def far_enough?(payload) |
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+ if memory['last_location'].present? |
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+ travel = Haversine.distance(memory['last_location']['latitude'].to_i, memory['last_location']['longitude'].to_i, payload['latitude'].to_i, payload['longitude'].to_i).to_meters |
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+ !interpolated[:distance].present? || travel > interpolated[:distance].to_i |
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+ else # for the first run, before "last_location" exists |
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+ true |
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+ end |
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+ end |
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+ |
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+ if location.present? && accurate_enough?(payload, accuracy_field) && far_enough?(payload) |
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| 79 | 94 |
if interpolated[:max_accuracy].present? && !payload[accuracy_field].present? |
| 80 | 95 |
log "Accuracy field missing; all locations will be kept" |
| 81 | 96 |
end |
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create_event payload: payload, location: location |
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+ memory["last_location"] = payload |
|
| 83 | 99 |
end |
| 84 | 100 |
end |
| 85 | 101 |
end |