There is no concept of ‘current survey’ in Dougal, and
assigning navigation data to a particular survey is full
of edge cases but sometimes it is necessary or at least
convenient to do so.
This commit implements once such strategy, which consists
of checking the distance to the preplots of all active
surveys (well, those that do have preplots anyway) and
picking the nearest one.
To reduce load, we only do this every once in a while as
governed by the `offline_survey_detect_interval` option
in the configuration.
This strategy is only active if the configuration option
`offline_survey_heuristics == "nearest_preplot"` for the
corresponding navigation header.
The `sequences` object now carries the attribute
`has_smsrc_data`, a boolean which is true iff
there is at least one `smsrc` record in the raw
shots metadata.
This is used by:
1. A new sequence-wise test which reports if gun
data is missing for the entire sequence.
2. The individual `missing_gun_data` test which
is inhibited if `has_smsrc_data` for the
corresponding sequence is false.
Closes#93.
We now check that a file is at least a few seconds old
before attempting to import it.
The actual minimum age can be configured in etc/config.yaml or
else is defaults to 10 seconds.
The idea is that this should give the OS enough time to fully
write the file before we import it.
The timestamp being looked at is the modification time.
Fixes#92.
When final shots are inserted, updated or
deleted, the corresponding QC info (which
is always held in raw_shots.meta->'qc')
is deleted.
If applicable, it will be recreated on the
next QC run.
When inserting or updating a timed event, a trigger
searches the real time events table for a position
close (within one minute) of the event time and
adds it to the event's metadata.
When the database is recreated, the sequences
used in the events_timed and events_seq tables
will be at their initial values, which will
almost certainly conflict with existing data
when it is imported via COPY.
With this commit, we set the current value for
those sequences to something usable.
Fixes#33.
