LibPrice : Libraries : Elder Scrolls Online AddOns

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Updated: 11/10/22 08:50 PM

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File Info

Compatibility:	Firesong (8.2.5)
Updated:	11/10/22 08:50 PM
Created:	11/29/18 02:56 PM
Monthly downloads:	62,564
Total downloads:	592,615
Favorites:	424
MD5:

8.2.5

LibPrice

Version: 7.2.0

by: ziggr, Sharlikran

A library for gathering an item's cost from various add-ons:

Master Merchant, by Khaibit, Philgo68, Sharlikran
Arkadius' Trade Tools, by Arkadius, Verbalinkontinenz, Aldanga
Tamriel Trade Centre, by cyxui
Furniture Catalogue, by manavortex

As well as some hard-coded data from other sources:

The Crown Store
Rolis Hlaalu, the Mastercraft Mediator
Faustina Curio, the Achievement Mediator

GitHub Repo

https://github.com/ziggr/ESO-LibPrice

Example Code

Lua Code:

function LibPrice_Example.SlashCommand()
    local self = LibPrice_Example
 
    for _,item_link in ipairs(EXAMPLE_ITEMS) do
                        -- Just tell me how much this thing costs.
        local gold   = LibPrice.ItemLinkToPriceGold(item_link)
 
                        -- Okay, I changed my mind. Tell me a little more:
                        -- where'd you get  this price from?
                        -- (additional return values from same API)
        gold, source_key, field_name
                     = LibPrice.ItemLinkToPriceGold(item_link)
        local header = self.FormatHeader(item_link, gold, source_key, field_name)
        d(header)
 
                        -- Give me all the data you can find, I'll figure out
                        -- what to do with it later.
        local result = LibPrice.ItemLinkToPriceData(item_link)
        LibPrice_Example.DumpTable(result)
    end
end

7.2.0 2022-11-10

Removed Master Merchant cache from LibPrice. All prices are cached within MM itself and any third party library or mod will receive the price directly from the MM cache.

7.1.2 2022-11-07

Removed Master Merchant as optional dependency from manifest file
Update 36/ESO 8.2.x/API 101036/Firesong

7.1.1 2021-09-14

Master Merchant integration updated to MM 3.0. Thank you, Sharlikran!
Update 31/ESO 7.1.0/API 101031/Walking Flame

6.2.1 2021-01-19

Attempt to avoid nil error during FurnitureCatalogue lookup.
API Bump to Update 28/6.2.1/API 100032/Markarth

5.0.2 2019-05-05

## IsLibrary: true so that Elsweyr can identify this as a library.

5.0.1 2019-05-05

Version and API bump. No code change.

4.2.2 2018-12-01

add crafting cost for craftable furnishings
bugfix achievement furnishings
bugfix Rolis Hlaalu furnishings
add Music Box, Blood and Glory = 800 crowns

4.2.1 2018-11-29

Initial release to support WritWorthy

Archived Files (7)

File Name	Version	Size	Uploader	Date
LibPrice	7.1.2	172kB	Sharlikran	11/07/22 03:38 AM
LibPrice	7.1.1	172kB	ziggr	09/14/21 12:43 PM
LibPrice	6.2.1	172kB	ziggr	01/19/21 03:47 PM
LibPrice	5.0.2	172kB	ziggr	05/05/19 03:26 PM
LibPrice	5.0.1	172kB	ziggr	05/05/19 03:15 PM
LibPrice	4.2.2	172kB	ziggr	12/01/18 04:41 PM
LibPrice	4.2.1	172kB	ziggr	11/29/18 02:56 PM

Comment Options

09/24/21, 08:08 AM
Onigar Forum posts: 3 File comments: 361 Uploads: 4	Removed comment. After some thought I realised LibPrice does just what it needs to do. Adjustments to pricing used needs to be done in the Addon using the Lib. Thanks Last edited by Onigar : 10/08/21 at 08:30 AM.

09/14/21, 09:16 AM

Sharlikran

Forum posts: 415

File comments: 1726

Uploads: 14

Originally Posted by sirinsidiator

The ItemDatabase is an internal component which shouldn't be used by other addons as it can change behavior at any time and will break whatever you build on top of it.

The way I handle it is to create a table "internal" which I use for myself to make clear that other addons have no business accessing it. if anyone still does it, it's on them.
so instead of MasterMerchant:BonanzaPriceTip I'd have MasterMerchant.internal:BonanzaPriceTip

I don't want to put words in Sirinsidiator's mouth as it were but I do not believe he would alter AGS or any of his mods if someone overrode his mods functionality. He would leave it up to the author to take care of.

For now LWC calls LibPrice and tries to obtain MM information too early and caused an issue. I will discuss this with the author of LWC.

For you though do not override the time check routine please. For now you are overriding a dummy function so just remove that code entirely. It is not needed.

In your notes you stated

-- MasterMerchant lacks an API to control time range,
-- it does this internally by polling the state of
-- control/shift-key modifiers (!).
--
-- So instead of using a non-existent API, we
-- monkey-patch MM with our own code that ignores
-- modifier keys and always returns a LOOONG time
-- range.

This is incorrect. It always uses the long time as you put it unless someone changes the focus values. However, the timestamp of the oldest sale is used for the tooltip and the graph which is why the function may return a value of 8 days. When a player presses CTRL or SHIFT then it will return the amount of time set by the players focus. This is intentional, so please do not change it.

As you know MM only stores the sales from the guilds you are in. Meaning, if the oldest sale is 8 days ago, but the users sales history size is 180 days that doesn't mean MM is not allowing the user to access all 180 days of sales. It means the oldest sale was 8 days ago.

You do not need to change the code for getting the average price.

local mm = MasterMerchant:itemStats(item_link, false) from LibPrice.MMPrice() is already correct.

Before calling any functions such as getting the average price, please be sure to check for the following

MasterMerchant.isInitialized
LibGuildStore.guildStoreReady

If both are not true do not request information from MM.

Thank you

Last edited by Sharlikran : 09/14/21 at 10:46 AM.

05/18/21, 11:52 PM

BerZerK_Bayern

Forum posts: 0

File comments: 2

Uploads: 0

What figures are used as the basis for calculation

I came here because I wanted to know how the costs/gold for masterwrits is calculated when MM does not yet show any data (short after i logged in it always takes some minutes as i am in 4 major trading guilds), then i saw Anons comment and this is my opinion to this:

I produce and buy and sell lots of platings of any kind.
I can assure you there is no such thing as putting platings in and delete the listing shortly afterwards - that would be totally stupid anyways, because you have to pay 1% of the price each time you put it in as an offering fee. If I put something in for the lower TTC price at a very busy marketplace, it is immediately gone. There doesn't even have to stand a player directly at the trader, because the internal guild trading in large tradeguilds also goes back and forth particularly quickly, because a lot of wholesalers are active there and stand in the banks and constantly search through their 4-5 trade guilds.

Personally, I always evaluate prices as an average and I use TTC prices "mostly" as an average of (min+max)/2, but that also depends on the current demand situation, if something is bought very strongly, it can go quickly even (far) over TTCmax, if I want to get rid of junk quickly, I knock it out for TTCmin to get a sales slot free again as quickly as possible.

Anon, you also have to keep in mind what the ages of the prices on the TTT-site mean. Its not counted from when a seller lists something, but when some TTC user reports the price to the site. It can tell you the price is 1 minute old, but that only means that a TTC client uploaded the prices a minute ago. In between, a quarter of an hour may have passed, in which time a lot is bought and sold in large guilds and a particularly a cheap offer is gone in an instant, except perhaps in remote guilds or hideouts.

Btw: As of this writing (PC/EU 2021-05-19), Iridium Plating is 10.066 - 12.583

Originally Posted by anon379

As of this writing, Iridium Plating is 6,681 - 8,352. Using TTC lowest value leads to understating cost of things because it's difficult to find traders selling at that point. I think this is because of all the price manipulation that happens with TTC (players posting minimal sales, update TTC, and then cancel the sale before anyone buys it). I can't use MMC or ATT because my guilds don't trade lots.

I think it would be more helpful to use TTC highest suggested value for costs.

Last edited by BerZerK_Bayern : 05/19/21 at 12:07 AM.

05/31/20, 03:22 PM
anon379 Forum posts: 0 File comments: 5 Uploads: 0	option to use TTC highests sugested price As of this writing, Iridium Plating is 6,681 - 8,352. Using TTC lowest value leads to understating cost of things because it's difficult to find traders selling at that point. I think this is because of all the price manipulation that happens with TTC (players posting minimal sales, update TTC, and then cancel the sale before anyone buys it). I can't use MMC or ATT because my guilds don't trade lots. I think it would be more helpful to use TTC highest suggested value for costs.

03/07/20, 08:28 PM
Aldanga Forum posts: 1 File comments: 281 Uploads: 5	Would it be possible to add the ability to get full pricing data from ATT instead of limiting it to 3 days when a sale within that range exists?

02/29/20, 03:08 AM

Akopian Atrebates

Forum posts: 9

File comments: 230

Uploads: 0

Re: Re: Custom LibPrice sources, spreadsheets

Oh, and I wanted to add that the integration of all the pricing sources in a library was a great idea and made made the integration of all those addons working together a lot more coherent. So thanks, and I hope that more authors take advantage of your work.

Originally Posted by Akopian Atrebates

So no you won't do it, but the answer is that maybe it is possible. Neat. Maybe somebody one day. I have a feeling it is way above my ability level to do, but maybe one day it will not be.

Originally Posted by ziggr

Sorry, no.

Interesting idea, and certainly possible with some limitations and much coding. But not something I'm interested in adding right now.

Add new data source "custom" to go along with existing sources "mm" "att" "ttc" and more
Add new Lua file with placeholder table where folks can type in their hardcoded prices?
... or read prices from SavedVariables/LibPrice.lua and have folks type price data into there
Modify WritWorthy.Util.MatPrice() to include prices from "custom".

Originally Posted by Akopian Atrebates

I am wondering if there is a way for me to draw from my own personal spreadsheets as a source for LibPrice's data?

02/29/20, 03:02 AM

Akopian Atrebates

Forum posts: 9

File comments: 230

Uploads: 0

Re: Custom LibPrice sources, spreadsheets

So no you won't do it, but the answer is that maybe it is possible. Neat. Maybe somebody one day. I have a feeling it is way above my ability level to do, but maybe one day it will not be.

Originally Posted by ziggr

Sorry, no.

Interesting idea, and certainly possible with some limitations and much coding. But not something I'm interested in adding right now.

Add new data source "custom" to go along with existing sources "mm" "att" "ttc" and more
Add new Lua file with placeholder table where folks can type in their hardcoded prices?
... or read prices from SavedVariables/LibPrice.lua and have folks type price data into there
Modify WritWorthy.Util.MatPrice() to include prices from "custom".

Originally Posted by Akopian Atrebates

I am wondering if there is a way for me to draw from my own personal spreadsheets as a source for LibPrice's data?

02/28/20, 09:46 PM

ziggr

Forum posts: 27

File comments: 275

Uploads: 10

Custom LibPrice sources, spreadsheets

Sorry, no.

Interesting idea, and certainly possible with some limitations and much coding. But not something I'm interested in adding right now.

Add new data source "custom" to go along with existing sources "mm" "att" "ttc" and more
Add new Lua file with placeholder table where folks can type in their hardcoded prices?
... or read prices from SavedVariables/LibPrice.lua and have folks type price data into there
Modify WritWorthy.Util.MatPrice() to include prices from "custom".

Originally Posted by Akopian Atrebates

I am wondering if there is a way for me to draw from my own personal spreadsheets as a source for LibPrice's data?

02/28/20, 07:58 PM
Akopian Atrebates Forum posts: 9 File comments: 230 Uploads: 0	I am wondering if there is a way for me to draw from my own personal spreadsheets as a source for LibPrice's data?

12/05/18, 05:39 PM
Architecture Forum posts: 7 File comments: 79 Uploads: 8	Nice job. Been wanting this sort of an integration for a while and I think you went above and beyond by covering more than just MM and TTC.

11/30/18, 06:12 AM
Marazota Forum posts: 247 File comments: 1456 Uploads: 2	excelent work!

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