Hugo Peixoto
76df4d41b7
Previously, saucy generated each member's future notification every day
(marked as scheduled). And every day saucy would deliver every unsent
notification scheduled for that day.
This means that each member with expiration date in the future had ~6
notifications scheduled for them in the database.
This was troublesome because if the cron job that delivers notification
was down or the server was down for more than 24h, notifications were
silently skipped and we had no easy way of detecting it: we had to check
every member for missing sent notifications.
It also had the disadvantage that we were deleting and recreating
hundreds of database entries for no good reason.
To fix this, the new system no longer stores future scheduled
notifications. Instead, it now only stores sent notifications and
notifications currently being delivered. Every day, the deliver task
checks every member if there's a notification that needs to be sent in
that day, by checking if we're past the date of sending a particular
notification type and checking if in that window of time no
notifications of that type have been sent.
Let's suppose we send 6 notifications, one per month starting 60 days
before the membership expires until 90 days after:
-60d -30d t=0 30d 60d 90d
----|------|------|------|------|------|------
A B C D E F
If we're on day t=-60d, we need to deliver a notification of type A. But
first we check if no notifications of type A have been sent to that
member on that day.
From days t=-59d to t=-31d, we check if in the time range t=[-60d, -31d]
any notification of type A was sent to that member. If not, we need to
deliver it.
If we're on days t=[-30d, -1d], we do the same but for notification of
type B.
22 lines
637 B
Plaintext
22 lines
637 B
Plaintext
<%= render partial: "greetings", locals: { member: @member } %>
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<p>
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A tua inscrição como membro da ANSOL expira em 30 dias.
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</p>
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<p>
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Em primeiro lugar, queremos agradecer o teu contributo para a ANSOL.
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Dependemos exclusivamente da contribuição dos nossos membros para suportar as
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nossas actividades, e gostaríamos de continuar a contar com a tua
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participação.
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</p>
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<p>
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Para estender a tua inscrição por mais um ano, pedimos que faças o pagamento
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das quotas até <strong><%= @member.expires_on %></strong>.
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</p>
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<%= render partial: "payment", locals: { payment: @payment } %>
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<%= render partial: "cheers" %>
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