Make the tables for TopClients & TopDomains behave like graph for ClientsOverTime

[mwoolweaver]

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What does this PR aim to accomplish?:

Make the tables for TopClients & TopDomains behave like graph for ClientsOverTime. Removes tables if there are no results (e.g. new installation or privacy mode enabled)

How does this PR accomplish the above?:

take the behavior found here on Line 28

web/scripts/pi-hole/js/index.js

Lines 26 to 31 in 60ca1c7

	// Remove graph if there are no results (e.g. new
	// installation or privacy mode enabled)
	if (jQuery.isEmptyObject(data.history)) {
	$("#queries-over-time").remove();
	return;
	}

and adds it to the functions for TopClients on L296 & TopDomains on L355

Link documentation PRs if any are needed to support this PR:

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[mwoolweaver]

sorry for the 2 commits not sure how to squash them together from web not very familiar with git via cmd line.

these changes have been tested locally and do work as intended.

[DL6ER]

Personally, I think that it's fine like it is now after the most recent fix #3069. I seem to recall that it was indeed causing confusion before when the tables just "vanished" - it's now clear what is happening and users were anticipating some API failures.

Having it like it is right now allows users to tell the "no data" situation apart from something broken in the API as the tables are neither simply empty or magically vanish altogether. On the contrary, I think the graph shouldn't simply vanish, either.

[mwoolweaver]

On the contrary, I think the graph shouldn't simply vanish, either.

Honestly i was just looking to get to some consistency in behavior. The 5 graphs should behave the same whichever is chosen. As it is they do not do this.

[rdwebdesign]

The 5 graphs should behave the same whichever is chosen.

This is a personal point of view, but I don't see why they "should" behave the same (my personal opinion).

The previous PR (#3069) actually fixed the "infinity loading wheel", but there is nothing really broken in "Client activity over last 24" behavior.

Note:
There are actually 4 graphics ("Total queries over last 24 hours", "Client activity over last 24 hours", "Query Types" and "Upstream servers") and 4 tables ("Top Permitted Domains", "Top Blocked Domains", "Top Clients (total)" and "Top Clients (blocked only)").

[mwoolweaver]

This is a personal point of view, but I don't see why they "should" behave the same (my personal opinion).

my thought was they represent the same data (client activity) so the behavior would be the same.

[mwoolweaver]

also worth noting is the following verbiage in the privacy settings:

Hide domains: Display and store all domains as hidden
This disables the Top Permitted Domains and Top Blocked Domains tables on the dashboard

Hide domains and clients: Display and store all domains as hidden and all clients as 0.0.0.0
This disables all tables on the dashboard

i would assume disabled means "showing no data" instead of "not showing at all"

there's also no mention of the Client activity over last 24 hours graph being disabled or disappearing

[rdwebdesign]

This disables all tables on the dashboard

Exactly. It disables the tables (they don't collect or show data), but it doesn't hide them.