Currency Exchange Rates?

elmerito25

I am NOOB here. Was wondering if someone has developed a module that retrieves exchange rates base on the local currency?

Thanks!

foggy

I would love to have this functionality as well.

yawns

@foggy @elmerito25
Could you please let me know how the output should look like?
The base work is done (except for some more error handling and code cleanup) but I’d like your thoughts on the output.

foggy

@yawns

Thank you for responding.

I am away on business. Back on Friday and I will then comment.

Best wishes.

elmerito25

@yawns Maybe similar like this: It would be nice to have a base currency and then list the exchange rates for major currencies (USD/GBP/EUR…). Maybe an array of currencies so users can pick and choose what currency exchange rates they want to show.

Thanks in advance!

Cato

How many currencies are people really interested to follow on their mirror? 1? 3? 5? 10? More? This number would dictate the layout of the module.

I’m considering a module for my self, but I basically just need 1 (THB/NOK).

yawns

@Cato
Right, that’s my concern too. I don’t want to overload the mirrors space

Maybe I can add some logic to choose the layout based on the number of currencies chosen

elmerito25

@yawns Agreed. Maybe a maximum of 3 currencies?

yawns

all right everyone, I did some progress on the module. Please take a look at it and let me know your thoughts.

Features:

ticker mode - displays all selected currencies in a marquee ticker, main use in my opinion is in bottom_bar or top_bar
table mode - display all selected currencies in a table. Up to 8 currencies are split into 2 columns, anything above is split into 3 columns
you can hide/show the curreny flag and the currency code/abbreviation
you can display a custom header above the output to show your selected base currency and the date of the data

Question: Does anyone know if and how I could manipulate the original header to avoid the custom header thing and still display base currency and date?

One notice: data is provided by fixer.io which is updating their data once a day. There are other apis for currency rates but you cannot select your own base currency if you are on a free plan. Means you would have to pay for it

[card:yawnsde/MMM-CurrencyExchange]

foggy

@yawns Super job. Thank you. Works well.
Is it possible to define which currency is displayed first?

Just in case another newbie comes along. the last (,) comma is in the wrong place and should be moved to the end.

Best wishes.

yawns

I guess I could add some sorting mechanism, maybe based on the array order.

Which comma exactly? I’m just on my smartphone, so I might oversee it

foggy

@yawns The one on the penultimate line.
modules: [
{
module: ‘MMM-CurrencyExchange’,
position: ‘top_right’,
config: {
base: ‘EUR’,
symbols: [‘GBP’, ‘USD’]
},
}

yawns

Thanks. Fixed!

Cato

Great module - works perfectly!

I’m not sure if this is just me, but for some currencies I like to switch the base currency because that makes more sence to me.

Suggestion: make an array of base/currencies, like this:

currencies: [
      { base: 'NOK', symbol 'THB' },
      { base: 'EUD', symbol 'NOK' },
      { base: 'USD', symbol 'NOK' }
]

A little harder to configure, but much more flexible.

Again - not sure if this is for everyone… (?)

yawns

Nice idea!
I’m at home on Wednesday, I guess I’ll find some time to look at this. Would require more api requests or more conversion and math.

frog

@yawns Hi,

How often does this refresh? I’m getting no changes on my mirror even though I’m restarting it.

yawns

The api provider is http://fixer.io and updates once a day. If you check the website and click on the first code snippet it should unfold and show the latest update including exchange rates. Does this match with what you see on the mirror? Or is the data on your mirror older?
You could enable the customHeader, then the update date is shown as retrieved from the api

frog

@yawns thanks. The date says a day out I.e the 5th for today (the 6th). I wasn’t aware of only a daily update, so it must be working OK. Thanks

elmerito25

@yawns Appreciate developing this module. Just added this to my “soon-to-be-completed” MM and looks good!

AviY

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