OK so thanks your advice I think I have an idea of what I want to do. I
must admit I am little confused though.
So here is the template I have created:
Book format: <$select tiddler='$:/book-format'>
<option>Physical book</option>
<option>Audiobook</option>
</$select>
<$button>
<$wikify name=data-tiddler text="$:/data/<<currentTiddler>>" >
<$wikify name=title-value text="<<currentTiddler>> - <<now YYYY/0MM/0DD>>" >
<$action-setfield $tiddler=<<data-tiddler>> $index="Title"
$value=<<title-value>>/>
<$action-setfield $tiddler=<<data-tiddler>> $index="Format"
$value={{$:/book-format}}/>
<$action-setfield $tiddler=<<data-tiddler>> $index="Start date"
$value=<<now YYYY/0MM/0DD>>/>
Start
</$wikify>
</$wikify>
</$button>
<$button>
<$wikify name=data-tiddler text="$:/data/<<currentTiddler>>" >
<$action-setfield $tiddler=<<data-tiddler>> $index="End date" $value=<<now
YYYY/0MM/0DD>>/>
Finish
</$wikify>
</$button>
With this template I can create a tiddler that represents a book (e.g. "The
Bible") and add this template. Then every time I read the bible I can
select the format from the dropdown box, press the "start" button which
will add the format and the "Start date" to a json tiddler titled
"$:/data/The Bible", as well as the title "<title> - <date>". The "finish"
button will add today's date as an "End date" field in the json tiddler.
My main problem is that the data is overwritten every time I press the
"start" button I want a new data entry every time I press the "start" button
In other words currently I can only get this:
{
"Title": "The Bible - 2019/11/01",
"Format": "Physical book",
"Start date": "2019/11/01",
"End date": "2019/11/01"
}
but I want to be able to generate this:
[
{
"Title": "The Bible - 2019/10/31",
"Format": "Physical book",
"Start date": "2019/10/31",
"End date": "2019/11/01"
},
{
"Title": "The Bible - 2019/11/01",
"Format": "Physical book",
"Start date": "2019/11/01",
"End date": "2019/11/01"
}
Does this seem like a sensible general approach to what I want to do?
I'm struggling to figure out how to do this from looking at your log tool.
I also want to be able to count the number of entries in the data tiddler
so I can display how many times I have read the book?
Thank you very much for your help.
On Thursday, October 31, 2019 at 11:27:07 PM UTC, TonyM wrote:
>
> si,
>
> I am not so sure what you are asking here,
>
>
>> For my problem it seems to me that one option would be to have one
>> *ADDITIONAL? *tiddler for a *EACH?* book with fields entitled "start",
>> "finish" and "format", and then each *FIELD?* could contain lists *ie
>> a LIST FIELD?* where each entry in the list *TIME/DATE STAMP?*
>> references each time I read the book.
>>
>> If you use a field to contain multiple entries that field can log one
> after the other, otherwise it typically contains only one value, that gets
> replaced after update. Yes you can do this and you will need to treat these
> fields as lists, the time stamp should perhaps be made into a title [[date
> time]] and you are likely to use the Listops Operators
> <https://tiddlywiki.com/#Filter%20Operators> and Order Operators.
>
> This is where the log tool instead would place this change in a
> Datatiddler.. Look for the data tiddler in the log tool to see what I have
> done. My log tool could be reworked to meet your needs but if your new to
> tiddlywiki it may not be so simple. The advantage of the log tool is
> actions on multiple tiddlers are logged in a timeline and can be all seen
> at once. You could create your own Log buttons for "start", "finish" and
> "format" that places the time date stamp in the log.
>
>
>> It sounds like you are saying that this is a bad idea? How would you go
>> about structuring tiddlers that represent each time that a book is read?
>>
>
> This depends on your ultimate goal, will your data be in a form you can
> make use of as you wish.
>
> Regards
> Tony
>
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